Verses 1-4: Greeting and Commendation. John opens by expressing his love for Gaius in the truth and rejoices over the testimony of Gaius’s faithful walk in the truth, emphasizing the joy of spiritual children living rightly.
Verses 5-8: Praise for Hospitality. John commends Gaius for his faithful service to both brethren and strangers, particularly for supporting traveling missionaries who preach the gospel without seeking material gain, urging the church to receive such workers.
Verses 9-10: Reproof of Diotrephes. John addresses the disruptive behavior of Diotrephes, who refuses to welcome John’s messengers, speaks maliciously against them, and exerts authoritarian control by excluding others from the church.
Verses 11-12: Exhortation and Commendation. John advises Gaius to imitate what is good and avoid evil, affirming that those who do good are of God. He also commends Demetrius, who has a good reputation and is a faithful witness to the truth.
Verses 13-14: Closing Remarks. John concludes with a personal note, expressing his desire to visit Gaius soon and sending greetings from mutual friends, emphasizing fellowship and peace.