The letter names “the elder”
The writer of 3 John does not give his personal name. Instead, he introduces himself as “the elder” and addresses a faithful believer named Gaius. In the early church, an elder could mean an older, respected Christian leader, not merely someone holding a local church office.
The writer speaks with recognised pastoral authority. He has heard reports about Gaius’s faithfulness, commends his care for travelling Christian workers, and plans to visit the church himself. He also addresses the harmful conduct of a man called Diotrephes, who refused to welcome fellow believers and rejected the writer’s authority (3 John 1:3-10).
The elder unto the wellbeloved Gaius, whom I love in the truth.
Why John the apostle is the traditional answer
From the earliest centuries, Christians generally connected 3 John with John the apostle, one of Jesus’ twelve disciples. John was the son of Zebedee and brother of James. Along with Peter and James, he witnessed key moments in Jesus’ ministry, including the raising of Jairus’s daughter, the transfiguration, and Jesus’ prayer in Gethsemane (Mark 5:37; Mark 9:2; Mark 14:33).
The Gospel of John describes an unnamed disciple whom Jesus loved. At the cross, Jesus entrusted his mother to this disciple, and the Gospel closes by linking that witness with its testimony about Jesus (John 19:26-27; John 21:24). Christian tradition has identified that disciple as John the apostle.
This is the disciple which testifieth of these things, and wrote these things: and we know that his testimony is true.
The connection with 1 and 2 John
3 John closely resembles 2 John in style and wording. Both letters begin with the writer calling himself “the elder”, both focus on truth and love, and both discuss how Christians should respond to people who travel teaching about Christ. This makes it very likely that the same person wrote both letters (2 John 1:1; 2 John 1:4-5).
Its themes also fit 1 John. The writer rejoices that believers are walking in truth, and he treats love as something practical, shown in how God’s people receive and help one another (1 John 3:18; 3 John 1:4-8). These shared concerns do not prove authorship by themselves, but they form a strong cumulative case.
Was it definitely John?
Most Bible readers and many scholars conclude that John the apostle wrote 3 John. Some scholars have suggested that “the elder” may have been another respected leader named John in the churches of Asia Minor. The letter itself does not settle that question by naming him.
Still, the historic Christian view is that the apostle John wrote it, probably late in the first century while caring for churches in the region around Ephesus. Whatever questions remain about the author’s exact title, the letter clearly calls Christians to walk in truth, support faithful gospel work, and refuse prideful leadership.
Beloved, follow not that which is evil, but that which is good. He that doeth good is of God: but he that doeth evil hath not seen God.