For I bear him witness that he has a great zeal for you, and those who are in Laodicea, and those in Hierapolis.Colossians 4:13
Paul, still speaking of Epaphras, says, “For I bear him witness.” He is testifying to the character of Epaphras, having personally come to know him and to learn of that which motivated him and consumed his thoughts.… Read the rest
…with Onesimus, a faithful and beloved brother, who is one of you. They will make known to you all things which are happening here.Colossians 4:9
Onesimus is the runaway slave for whom Paul makes a passionate appeal in the book of Philemon. Here, he is called “the faithful and beloved brother.” There is a definite article in front of faithful, and so it says “the” not “a.” Paul is carefully highlighting the high status of Philemon, who was once a slave on the run.