What does John 21:20 mean?
What is the meaning of John 21:20?

Peter turned

• In the previous verse Jesus tells Peter, “Follow Me” after predicting the manner of Peter’s death (John 21:18-19). Turning shows Peter’s very human tendency to look around rather than remain fixed on Christ.

• Similar moments of distraction appear when Peter walked on water and “saw the wind” (Matthew 14:30); each time, the Lord graciously redirects him.

• The verse reminds us that obedience often means keeping our eyes on Jesus, not on what others are doing (Hebrews 12:2).


saw the disciple whom Jesus loved

• This phrase points to John, the Gospel’s author (John 13:23; 19:26-27; 20:2).

• John’s self-description highlights relationship over name—his chief identity is being loved by Jesus (1 John 4:19).

• Peter’s notice of John underlines the differing callings of believers: Peter to pastoral leadership (John 21:15-17), John to faithful witness (Revelation 1:2).


following them

• John physically follows the risen Christ and Peter along the shoreline, just as he has followed Jesus from the beginning (Luke 5:11).

• The scene pictures discipleship: walking behind Jesus, attentive yet unobtrusive (Mark 8:34).

• It also sets up Jesus’ later words about John’s future (John 21:22), stressing that each disciple’s path is God-designed.


He was the one who had leaned back against Jesus at the supper

• The reference recalls the intimacy of the Last Supper, where John sat next to Jesus and leaned against Him (John 13:25).

• That closeness symbolizes both fellowship and privileged insight into the Lord’s heart (Psalm 25:14; John 15:15).

• The Gospel writer re-anchors his credibility: the same eyewitness who heard Jesus predict betrayal now witnesses the post-resurrection commission.


to ask, “Lord, who is going to betray You?”

• John’s earlier question (John 13:24-26) showed courage and trust; he could ask what others feared to voice.

• Mentioning it here contrasts the treachery of Judas with John’s steadfast devotion (Acts 1:16-17).

• It also underscores Jesus’ omniscience: the prediction came true, validating every word He now speaks about Peter and John (John 18:2-5).


summary

John 21:20 captures a candid moment: Peter, freshly charged to “Follow Me,” turns and sees John quietly trailing them—the same beloved disciple who once leaned on Jesus to learn about the betrayer. The verse spotlights three truths: disciples easily shift focus, each believer enjoys a unique walk with Christ, and lasting closeness to Jesus springs from knowing we are loved by Him.

Why is Jesus' prediction of Peter's death important for understanding Christian sacrifice?
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