Doctrine of Christ: Who Is Jesus Christ and What Has He Done?

Published: 16 August 2026

Main Idea

Jesus Christ is the eternal Son of God, personally distinct from the Father and the Holy Ghost, who became truly man without ceasing to be truly God. The one Lord Jesus Christ lived in complete holiness, revealed the Father, announced and embodied God's kingdom, willingly died for sinners, rose bodily, ascended, and now intercedes and reigns. He will return personally, visibly, and gloriously to raise the dead, judge righteously, defeat every enemy, and bring God's purpose to completion.

This confession comes from the cumulative witness of Scripture. No single verse states every later theological term, and later terms must never replace careful reading. Yet Scripture consistently identifies one continuous person: the Word who was with God and was God, the child born of Mary, the obedient servant, the crucified Lord of glory, the risen Jesus with flesh and bones, the ascended Son at the Father's right hand, and the coming King. Christian teaching speaks of one person in two complete natures because that grammar protects all this biblical evidence without confusing Christ's deity and humanity or dividing him into two persons. The second coming is the return of this same Jesus, not the arrival of another figure or a merely inward religious experience.

Why This Matters

The question “Who is Jesus?” cannot be separated from “What has Jesus done?” If he were only a remarkable creature, he could not be the Creator through whom all things were made, the definitive revelation of the Father, or the Lord who gives life. If he merely appeared human, he would not truly share our condition, obey in our place, suffer, die, rise bodily, or serve as our sympathetic high priest. The gospel depends on the identity and work of the same divine-human Son.

Christology also shapes worship, discipleship, suffering, leadership, and hope. Christ's self-giving authority rules out coercive uses of his kingship. His compassion toward sick, excluded, frightened, and grieving people rules out blaming sufferers for insufficient faith. His real temptation and complete sinlessness give tempted believers both a pattern and a merciful priest. His bodily resurrection affirms embodied life rather than escape from creation. His present intercession means the Father is not reluctant to receive those who come through the Son. His promised return produces watchful faithfulness, not date-setting, panic, or speculative control.

Key KJV Texts

Isaiah 9:6–7: the promised child and Son bears royal titles and an everlasting, just, peaceful government.
Isaiah 52:13–53:12: the righteous servant is rejected, wounded for transgressions, bears sin, dies, is vindicated, and intercedes.
Matthew 1:18–25 and Luke 1:26–38: Jesus is conceived by the Holy Ghost and born of the virgin Mary as Davidic king and saving Emmanuel.
John 1:1–18: the Word is with God, is God, creates all things, and is made flesh.
Philippians 2:5–11: Christ Jesus humbles himself by taking servant-form and obeying unto death, then is openly exalted as Lord.
Colossians 1:15–20: the beloved Son is creator, sustainer, church Head, firstborn from the dead, and reconciler through the blood of his cross.
Hebrews 1–2 and 4:14–16: the divine creator Son truly shares flesh and blood, suffers, helps, and sympathizes without sin.
1 Corinthians 15: Christ dies for sins, is buried, rises bodily, appears, reigns, and is the firstfruits of his people's resurrection.
Acts 1:1–11 and Romans 8:31–39: the risen Jesus ascends and will return; the enthroned Christ intercedes for his people.
Revelation 19:11–16 and 22:12–21: the faithful and true King comes to judge, conquer evil, reward, and dwell with his people.

Opening Question

When you think about Jesus, which part of the biblical witness are you most tempted to neglect: his eternal deity, his complete humanity, his saving death, his bodily resurrection, his present ministry, or his certain return? What changes when all these truths are held together?

Study Outline: Observation, Interpretation, and Application

1. Promise: the Messiah comes within Israel's story

Observation. Genesis begins the hope of a victorious seed; God's promises to Abraham widen blessing to the nations; Judah and David supply royal lines; Psalms 2 and 110 speak of God's installed king and David's Lord; Isaiah describes an Immanuel child, a mighty ruler, a Spirit-anointed branch, and a suffering servant; Daniel sees a human-like ruler receive everlasting dominion. Each text has its own historical setting. Second Samuel 7, for example, speaks first of David's offspring and Solomon's temple-building vocation, yet the promise also reaches toward an enduring throne beyond any ordinary king.

Interpretation. The Old Testament does not function as a collection of isolated predictions with their historical settings erased. It gives patterns and promises that progressively converge: human descent, divine action, righteous kingship, worldwide blessing, suffering, sin-bearing, vindication, priesthood, and everlasting rule. The New Testament identifies Jesus as their climactic fulfilment. This canonical claim does not require pretending that Isaiah's first hearers possessed a complete later Christological formula. Near historical horizons and final fulfilment can be distinguished without being severed.

Application. Read Jesus within the whole Bible rather than as a detached spiritual teacher. Honour the Jewish and Old Testament setting of Christian claims, reject contempt toward Jewish people, and refuse to force every disputed phrase into a simplistic prediction. Let God's long faithfulness build patience: the Messiah's kingdom comes by God's promise, in God's way, and on God's timetable.

2. Incarnation: the eternal Son becomes truly man

Observation. John writes, “In the beginning was the Word, and the Word was with God, and the Word was God,” then says, “the Word was made flesh.” The Word already exists when creation begins and everything that came into being comes through him. Matthew and Luke testify that Mary conceives Jesus by the Holy Ghost before union with Joseph. Luke records ordinary gestation, birth, growth, family life, and increasing wisdom. Philippians 2 describes Christ's self-humbling through taking “the form of a servant” and being “made in the likeness of men.” Hebrews says he shares flesh and blood and is made like his brethren.

Interpretation. Incarnation means assumption, not subtraction. The eternal Son does not cease to be God, surrender essential divine attributes, turn the divine nature into flesh, or merely inhabit an independently existing human person. He personally assumes complete, sinless humanity—body, rational soul, human mind, affections, and will. Father, Son, and Holy Ghost remain personally distinct; the Holy Ghost's creative action in Mary's conception is not sexual and does not make the Spirit Jesus' Father. The result is not two sons but one Lord in complete deity and complete humanity.

Application. Worship Jesus without treating his humanity as theatre. His hunger, weariness, grief, learning, prayer, and dependence are genuine human realities. Honour embodied life, childhood, ordinary work, family responsibility, and human limitation. Do not use the virgin conception to denigrate marriage or speculate beyond Scripture about biology. Confess with humility: the incarnation is coherent enough to guard faithfully but profound beyond exhaustive explanation.

3. Mission: the sinless Prophet, Priest, and King

Observation. At his baptism Jesus is identified as the beloved Son and anointed by the Spirit. In the wilderness he faces real testing, answers from Deuteronomy, and remains faithful. The Gospels present him teaching with authority, announcing God's kingdom, forgiving sins, welcoming outcasts, confronting hypocrisy, healing diseases, delivering oppressed people, calming the sea, feeding crowds, and raising the dead. Hebrews says he “was in all points tempted like as we are, yet without sin.” The apostles likewise testify that he knew no sin, did no sin, and had no sin.

Interpretation. Jesus is the prophet like Moses and, more deeply, the Father's unique incarnate Word. He is the priest who represents his people, offers himself once for all, and lives to intercede. He is the Davidic king whose authority is revealed in servant-love and will culminate in righteous judgment. His temptations are real without implying inward sin. His sinlessness is complete, and his lifelong obedience cannot be reduced to the final hours of the cross. His miracles are compassionate signs of identity, kingdom, and new creation; they are not spectacles or promises that faithful people will avoid ordinary illness and suffering.

Application. Hear Christ rather than treating him merely as an object of speculation. Bring temptation openly to the sympathetic high priest. Imitate his truthfulness, mercy, courage, enemy-love, prayer, and concern for the vulnerable. Test extraordinary healing or deliverance claims honestly, welcome appropriate medical care, protect people from manipulation, and never blame sufferers for a supposed lack of faith. Measure Christian leadership by the King's self-giving care, not domination.

4. Cross: the one Son gives himself for sinners

Observation. Jesus deliberately goes to Jerusalem, interprets his death as a ransom and covenant blood “shed for many for the remission of sins,” and freely lays down his life. Isaiah 53 supplies the grammar of the innocent servant bearing griefs, transgressions, iniquities, chastisement, and sin. The apostles describe Christ dying for the ungodly, the just for the unjust, bearing sins in his body on the tree, reconciling enemies, redeeming from curse, cancelling the hostile record, and triumphing over powers. The Gospels insist on actual crucifixion, death, and burial under public authorities.

Interpretation. The cross joins substitution and representation, sacrifice, covenant, redemption, ransom, reconciliation, justification, participation, victory, example, and divine love. These images illuminate one saving event and should not be collapsed into a single metaphor. A penal dimension is strongly present in condemnation, curse, wrath, righteousness, and sin-bearing, while detailed later atonement systems contain further judgments that require wider argument. The Father is not a reluctant or abusive deity overcome by a kinder Son: the Father gives in love, the Son willingly offers himself, and the Holy Ghost acts in the offering. The one divine person truly suffers and dies according to his mortal humanity; the divine nature does not die, and the Trinity is not ruptured.

Application. Receive the cross as God's holy love directed toward sinners, not as permission to excuse evil. Christ's willing, unique suffering must never be weaponized to command victims to remain under abuse. Reject collective guilt assigned to Jewish people; the passion narratives identify many responsible agents while apostolic preaching places every sinner in need of grace. Practise forgiveness, reconciliation where truth and safety permit it, costly love, and resistance to evil without imagining that human suffering can repeat Christ's once-for-all offering.

5. Resurrection and ascension: the crucified Jesus lives bodily

Observation. First Corinthians 15 preserves the received sequence: Christ died for sins, was buried, “rose again the third day,” and appeared to named witnesses and groups. The Gospels join an empty tomb with personal appearances. Luke and John emphasize continuity through wounds, touch, flesh and bones, conversation, and meals, while also showing transformed life no longer subject to ordinary mortality. Acts says the same Jesus teaches his disciples, ascends visibly, is received by a cloud, pours out the promised Holy Ghost, and will come again “in like manner.”

Interpretation. Resurrection is neither survival of an idea nor escape of an immortal soul from an unwanted body. The same Jesus who died is raised into incorruptible, glorified embodied life. “Spiritual body” in 1 Corinthians 15 means a body empowered by God's Spirit, not an immaterial non-body. Christ is the firstfruits, so his resurrection guarantees and patterns the future bodily resurrection of his people. Ascension is not crude space travel or retirement. It is the embodied Son's entry into heavenly glory and active royal-priestly session at the Father's right hand.

Application. Ground Christian hope in what God has done to Jesus, not in optimism or private feeling. Grieve death honestly while refusing to call it the final word. Treat bodies, creation, work, justice, care for the sick, and burial with dignity. Historical questions deserve honest examination: differences among Gospel accounts must not be flattened, but difference is not automatically contradiction. The resurrection summons steadfast labour because work “in the Lord” is not in vain.

6. Present ministry and return: Christ reigns, intercedes, and will come

Observation. Hebrews connects Christ's permanent priesthood, endless risen life, complete saving ability, and continuing intercession. Romans 8 joins his death, resurrection, right-hand session, and intercession with the Father's gift and justifying purpose. Ephesians and Colossians name him Head of the church and ruler above every power. First Corinthians 15 says he presently reigns while enemies remain, with death the last enemy to be destroyed. Acts 1, Matthew 24, 1 Thessalonians 4, and Revelation promise the same Jesus' public, glorious return, resurrection of the dead, gathering, judgment, and permanent communion.

Interpretation. Christ's present advocacy applies his completed sacrifice; it does not repeat his suffering or persuade an unwilling Father. His headship nourishes, sanctifies, equips, and protects the church; no minister or institution may replace him. His kingdom is already active but not yet openly consummated. His coming is personal, bodily, visible, and certain, not merely an inward experience or secret-location claim. Scripture demonstrates the event more clearly than it settles every tribulation, rapture, and millennial sequence. The day and hour are not given to the church.

Application. Come confidently to God through Christ, confess sin, pray for others, and resist despair. Hold leaders accountable to the Head's truth and self-giving character. Await Christ through holiness, comfort, witness, patient work, care of neighbours, and resistance to abusive power. Refuse date-setting, fear-based control, or declaring one detailed end-times scheme the test of Christian fidelity. The proper final prayer is both hopeful and obedient: “Even so, come, Lord Jesus.”

Essential Truths to Hold Together

One person, two complete natures. Jesus Christ is one continuous personal subject, not a divine person beside a human person. His deity and humanity remain distinct, complete, inseparably united, and unconfused.
Truly God. The Son exists before creation, shares divine identity, creates and sustains all things, reveals the Father, gives life, receives worship, and exercises divine judgment.
Truly man. He is conceived, born, grows, learns, hungers, tires, grieves, prays, chooses, obeys, suffers, dies, rises bodily, and permanently retains glorified humanity.
Personal distinction within the Trinity. The Son is not the Father or the Holy Ghost. The three act inseparably in one divine work while their personal relations are not collapsed.
Incarnation without divine subtraction. “Made himself of no reputation” is explained by taking servant-form and humbling himself, not by ceasing to possess deity.
Real temptation and complete sinlessness. Testing is not itself sin. Jesus' obedience is genuine and costly without moral failure.
Nature-qualified predication. The one Son truly suffers and dies according to humanity; deity is not mortal. The man Jesus receives worship because this humanity belongs to the divine Son, not because humanity becomes deity.
Cross and bodily resurrection. Christ's death objectively saves, and God raises the same embodied Jesus. Neither truth can be reduced to a subjective symbol.
Present intercession and reign. The risen Lord actively represents his people and rules for their good on the ground of his completed sacrifice.
Personal visible return. Jesus will return openly and gloriously without a revealed date, consummating judgment, resurrection, victory, and communion.

Common Errors

Treating Jesus as a created heavenly being, merely inspired teacher, or person who became divine later.
Confusing Father and Son, as though Jesus' prayers were conversation with himself.
Imagining the incarnation as deity changing into humanity, losing attributes, or temporarily ceasing to be divine.
Treating Christ's body as an appearance, his human mind or will as absent, or his humanity as swallowed by deity.
Dividing Christ into two personal subjects loosely cooperating with one another.
Making temptation identical with sin, or making Jesus' obedience a theatrical performance without genuine human cost.
Saying the divine nature died, or speaking as though the Trinity broke apart at the cross.
Reducing atonement to one image while neglecting sin-bearing, substitution, representation, reconciliation, victory, covenant, love, and resurrection.
Reducing resurrection to memory, spiritual influence, or an immaterial afterlife.
Turning miracles into entertainment, guaranteed health, or grounds for blaming sick and disabled people.
Using Christ's kingship to justify nationalism, coercive church power, secrecy, or unaccountable leadership.
Setting dates for Christ's return or making a disputed end-times sequence the centre of the gospel.

Disputed Positions: Charity Without Vagueness

Christian traditions that confess the Nicene centre share more than their disagreements sometimes suggest: the eternal Son's deity, real incarnation, saving death, bodily resurrection, present lordship, and glorious return. Eastern Orthodox, Oriental Orthodox, Roman Catholic, Anglican, Lutheran, Reformed, Methodist, Baptist, evangelical, and Pentecostal witnesses should be allowed to define themselves. Historical labels must identify evidenced teachings rather than serve as insults.

“Arian” properly describes making the Son a creature rather than simply asking a hard question about subordination language. “Apollinarian” describes an incomplete humanity in which the divine Word replaces a rational human soul. “Nestorian” should not be used carelessly for every strong distinction of natures; the condemned structure divides Christ into two personal subjects. “Eutychian” describes confusion or absorption of humanity after union. “Miaphysite,” as used by Oriental Orthodox churches, must not simply be equated with Eutychian mixture; modern Catholic–Coptic and Anglican–Oriental Orthodox agreements document substantial shared confession while differences over conciliar reception and communion remain.

Real intra-Christian disagreements also remain. Lutheran and Reformed accounts differ over the communication of Christ's human presence. Catholic and Orthodox invocation of departed saints and Protestant rejection of the practice disagree over warranted creaturely prayer while all can still confess Christ's unique divine-human mediation. Atonement traditions give different weight and structure to sacrifice, penal judgment, healing, victory, recapitulation, satisfaction, and moral transformation. Amillennial, historic-premillennial, dispensational-premillennial, and postmillennial readings order final events differently. Charity requires accurate description; conviction requires testing every proposal by the whole counsel of Scripture.

The Gospel Relationship

The gospel announces what God has done in Jesus Christ before it calls for our response. The eternal Son entered our condition without sin. He fulfilled the Father's will, gave himself for sins, was truly buried, rose bodily, appeared, ascended, and reigns. Forgiveness, reconciliation, justification, adoption, new life, the gift of the Holy Ghost, perseverance, resurrection, and final hope depend upon union with this living Christ.

Faith is therefore not vague admiration for Jesus. It receives him as the crucified and risen Lord, turns from sin, rests in his saving work, and begins a life of obedient allegiance. Good works do not purchase Christ; they are the fruit of grace and the form taken by life under his kingship. The gospel cannot be reduced to moral improvement, yet it cannot leave disciples unchanged. Those joined to Christ learn truthfulness, mercy, justice, reconciliation, sexual integrity, generosity, enemy-love, care for sufferers, and hope amid death.

Personal Examination

Do I trust the living Christ, or only an idea of Jesus that never confronts or comforts me?
Do I confess both his full deity and complete humanity, or do I quietly minimize one?
Am I hiding sin rather than coming to the righteous Advocate who calls me to confession and cleansing?
Does the cross make me honest about both God's holiness and God's initiating love?
Does bodily resurrection shape how I treat my own body, other people's bodies, creation, illness, ageing, and death?
Do I use authority in the self-giving manner of Christ, or seek control, admiration, and immunity from correction?
Is my hope producing ordinary faithfulness, or fascination with timetables and sensational claims?
Whom is Christ calling me to serve, forgive, protect, tell the truth to, or seek help for today?

Practical Application

Begin with worship: address the Father through the Son in the Holy Ghost, thanking God for creation, incarnation, cross, resurrection, intercession, reign, and promised return. Read one Gospel slowly, noting what Jesus says, does, receives, refuses, suffers, and promises. Pair this with Hebrews 1–2 and 4–10, which keeps his deity, humanity, sacrifice, sympathy, and priesthood together.

Practise confession without despair. Christ's advocacy is not permission to cherish sin; it is the ground for truthful repentance and restored obedience. In suffering, reject both the claim that every faithful person must be healed now and the opposite claim that embodied pain does not matter. Seek prayer, wise pastoral help, medical care, safeguarding, and practical community support.

Evaluate leaders and institutions by Christ's character. Authority should equip others, tell truth, protect the vulnerable, accept accountability, and bear cost rather than export it. Report abuse and imminent danger to appropriate authorities; never use submission, sacrifice, forgiveness, or unity to suppress safety and justice.

Live toward the coming kingdom through durable practices: gather with Christ's people, receive Scripture, pray, share resources, welcome strangers, honour work, keep promises, love enemies, and witness to the gospel. Make plans humbly without pretending to know the date of Christ's appearing. Encourage grieving believers with the resurrection of the body and the promise of permanent communion with the Lord.

Discussion Questions

Why must Christ's identity and saving work be studied together?
How does John 1 preserve both the Word's deity and his distinction from the Father?
What does Philippians 2 actually say Christ's “emptying” consists of?
Which Gospel events demonstrate Jesus' complete humanity? Which texts demonstrate his deity?
How can Christ be genuinely tempted and yet completely sinless?
What atonement images appear in Isaiah 53, the Gospels, Romans, Hebrews, and 1 Peter? How do they complement one another?
Why is bodily resurrection essential rather than optional to the gospel?
What is Christ doing now according to Hebrews, Romans 8, and Ephesians 1?
How should Christians distinguish firm second-coming hope from disputed end-times sequences?
Which common Christological error seems most plausible in contemporary culture, and how would Scripture answer it?
How should Christ's self-giving kingship reform Christian leadership and safeguarding?
What concrete act of worship, repentance, service, or hope should follow this study?

Memory Verse

John 1:14 (KJV): “And the Word was made flesh, and dwelt among us, (and we beheld his glory, the glory as of the only begotten of the Father,) full of grace and truth.”

Summary

The Bible's witness moves from promise to fulfilment: the eternal Son becomes man, lives in sinless faithfulness, reveals the Father, serves as Prophet, Priest, and King, dies for sinners, rises bodily, ascends, intercedes, and reigns. The same Jesus will return personally and visibly. The classic confession of one person in two complete natures guards this cumulative witness. It keeps deity and humanity, Father–Son distinction, cross and resurrection, present ministry and future hope together.

This doctrine is not an abstract puzzle. It identifies the Lord who saves and the shape of life with him. Because Jesus is truly God, he perfectly reveals and accomplishes God's saving purpose. Because he is truly man, he represents human beings, obeys, suffers, dies, rises as firstfruits, and sympathizes. Because he is one person, his whole mission is the work of one faithful Son. Therefore believers may worship confidently, repent honestly, endure hopefully, serve neighbours bodily, resist coercion, and await his appearing without fear or speculation.

Prayer

Father, we thank thee for thy beloved Son, through whom all things were made and through whom sinners are reconciled. Lord Jesus Christ, keep us faithful to thy truth: truly God, truly man, crucified for sins, risen bodily, reigning and interceding, and coming again in glory. Holy Ghost, open the Scriptures, expose our false images of Jesus, strengthen us in temptation, form in us the servant character of our King, and make us steadfast in love. Protect the vulnerable, comfort the grieving, correct the proud, restore the repentant, and teach thy church to say with obedient hope, “Even so, come, Lord Jesus.” Amen.

Selected Sources