Who was Peter?

Understanding Matthew 16:18

Peter is the most fully drawn character in the New Testament apart from Jesus. He is impulsive, passionate, deeply flawed, and utterly devoted. His story is the Bible's greatest portrait of what happens when ordinary people encounter an extraordinary God.

Before Jesus:

Peter's original name was Simon, son of Jonah (Matthew 16:17). He was a fisherman from Bethsaida on the Sea of Galilee, working alongside his brother Andrew. He was married — the Gospels mention Jesus healing his mother-in-law (Mark 1:30-31) — and was likely a working-class man with no formal religious training. The religious authorities later noted that Peter and John were 'unschooled, ordinary men' (Acts 4:13).

The calling:

Andrew first brought Peter to Jesus, who immediately renamed him: 'You are Simon son of John. You will be called Cephas' (John 1:42). Cephas is Aramaic for 'rock'; Peter (Petros) is the Greek equivalent. This renaming was prophetic — Simon the impulsive fisherman would become Peter the rock of the early church.

Later, Jesus called Peter directly from his fishing boat. After a miraculous catch of fish, Peter fell at Jesus' knees and said, 'Go away from me, Lord; I am a sinful man!' (Luke 5:8). Jesus responded: 'Don't be afraid; from now on you will fish for people' (Luke 5:10). Peter left everything and followed.

The inner circle:

Peter was part of Jesus' closest group of three (with James and John). He was present at the Transfiguration (Matthew 17:1-8), where he characteristically blurted out an offer to build shelters — talking when he should have been listening. He was with Jesus in Gethsemane and was asked to stay awake and pray (Mark 14:37).

Peter's defining confession came at Caesarea Philippi: 'You are the Messiah, the Son of the living God' (Matthew 16:16). Jesus declared this revelation came directly from God and responded with the famous words: 'On this rock I will build my church' (Matthew 16:18).

Yet just moments later, when Jesus predicted His death, Peter rebuked Him — and Jesus responded with the sharpest words He ever spoke to a disciple: 'Get behind me, Satan!' (Matthew 16:23). This whiplash between spiritual insight and human foolishness defines Peter.

The failure:

Peter's denial of Jesus is one of the most painful scenes in Scripture. Despite his bold declaration that he would die rather than disown Jesus (Matthew 26:35), Peter denied knowing Him three times before dawn — the last time with cursing and swearing (Matthew 26:74). When the rooster crowed and Jesus turned and looked at Peter, 'he went outside and wept bitterly' (Luke 22:62).

The restoration:

After the resurrection, Jesus specifically restored Peter in a deeply personal encounter by the Sea of Galilee (John 21:15-17). Three times — matching the three denials — Jesus asked, 'Do you love me?' Each time, Peter affirmed his love, and Jesus responded: 'Feed my lambs... Take care of my sheep... Feed my sheep.' The threefold restoration was deliberate healing.

The leader:

From the day of Pentecost onward, Peter was the undisputed leader of the early church. His sermon in Acts 2 — preached by a man who had cowered before a servant girl weeks earlier — resulted in 3,000 conversions. He performed healings, faced down the Sanhedrin, opened the door to Gentile believers through his vision and visit to Cornelius (Acts 10), and suffered imprisonment and beatings with joy.

Peter authored two New Testament letters. First Peter, written to persecuted Christians, contains some of Scripture's most encouraging words about suffering. Second Peter addresses false teachers and the certainty of Christ's return.

The death:

Church tradition holds that Peter was crucified in Rome under Emperor Nero around AD 64-68. According to early sources (Origen, Eusebius), Peter requested to be crucified upside down, feeling unworthy to die in the same manner as his Lord.

The lesson:

Peter's story is the gospel in miniature: a deeply flawed person, called by grace, fails spectacularly, is restored completely, and goes on to change the world. He is proof that God does not choose the qualified — He qualifies the chosen.