This document is about Demas (Paul's_Co-worker). For other homonyms, please refer to the Demas document. He was a co-worker of Paul. Given that his name appeared when co-workers were listed in Colossians and Philemon, it seems they had a close relationship.
Colossians 4:14Greet the brothers who are in Laodicea, and Nymphas, and the assembly that is in his house.
Philemon 1:24The grace of our Lord Jesus Christ be with your spirit. Amen.
2 Timothy 4:10Only Luke is with me. Take Mark, and bring him with you, for he is useful to me for service.