Barnabas
: a man who was Paul's companion on several of his journeys
John
: a son of Zebedee; younger brother of James; the beloved disciple of Christ,a relative of Annas the high priest,a son of Mary the sister of Barnabas, and surnamed Mark,the father of Simon Peter
Mark
: a nephew of Barnabas and companion of Paul; author of the Gospel of Mark
Acts 15:40
Paul
: a man from Tarsus who persecuted the church but became a missionary and writer of 13 Epistles
Silas
: a man who went with Peter and Paul on separate missionary journeys