2 Corinthians 1:19

Silas : a man who went with Peter and Paul on separate missionary journeys

Silvanus : a man who was a leader in the Jerusalem church chosen to accompany Paul

Timothy : a young man of Lystra who travelled with Paul and to whom two epistles were addressed

2 Corinthians 7:14

Titus : a Christian Greek man who accompanied Paul and was left in Crete to settle the churches there