Easton's Bible Dictionary (1897)
Servant of God, (1 Chr. 5:15), a Gadite chief.
Smith's Bible Dictionary (1863)
(the servant of God), son of Guni and father of Ahi, one of the Gadites who were settled in the land of Bashan, (1 Chronicles 5:15), in the days of Jotham king of Judah. (B.C. 758.)
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
AB'DIEL (servant of God), a chief of Gad. 1 Chr 5:15.
Hitchcock's Bible Names (1869)
servant of God