John preferred to introduce himself as "the elder" rather than assert authority as an apostle. He did not want to start a personal dictatorship in the church. The document discusses several individuals: Gaius, who was praised for his hospitality in supporting missionary work; Diotrephes, who sought power and control in the church and rejected John's authority; and Demetrius, one of the itinerant teachers who carried John's letter and had a good reputation. John teaches Christians to imitate good behaviors like hospitality and supporting mission work, rather than pursuing power, and to work in the church out of love for the truth.