(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.)
International Standard Bible Encyclopedia
ab'-di-el (`abhdi'el, "servant of God"): A Gadite who lived in Gilead or in Bashan, and whose name was reckoned in genealogies of the time of Jotham, king of Judah, or of Jeroboam II, king of Israel (1Ch 5:15-17).