Easton's Bible Dictionary (1897)
Master of the horse, a “fellow-soldier” of Paul’s (Philemon 1:2), whom he exhorts to renewed activity (Col. 4:17). He was a member of Philemon’s family, probably his son.
Smith's Bible Dictionary (1863)
(master of the horse), a Christian teacher in Colossae, (Colossians 4:17) called by St. Paul his “fellow soldier,” Phil 2. He was probably a member of Philemon’s family.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
ARCHIP'PUS (master of the horse), a Christian teacher addressed by Paul, Phile 2. Some think he was Philemon's son.
Hitchcock's Bible Names (1869)
a master of horses