Diotrephes and his Evil Doings. This leading official in the church of which Gaius was a member is denounced because of his ambition, and his inhospitable treatment of the elder and his friends.
3 John 1:9 a. See Introduction. Diotrephes: his name (nourished of Zeus) suggests heathen birth. He appears to have been the leading official of his church; beyond this nothing is known of him.
3 John 1:10. casteth. church: i.e. expelled them from membership. This suggests that Diotrephes was a presiding elder, and therefore one who, by virtue of his office, ought himself to have entertained John's missionaries.