A companion and fellow-labourer of Paul during his first imprisonment at Rome (Philemon 1:24; Col. 4:14). It appears, however, that the love of the world afterwards mastered him, and he deserted the apostle (2 Tim. 4:10).
Easton’s Bible Dictionary
Demas
Easton’s Bible Dictionary, M. G. Easton (1897). Public domain, from the CrossWire SWORD module.