Joel

A man, in the time of the Divided Monarchy · Tribe of Gad · named in 1 verse

the name means Jehovah (is his) God Strong's Lexicon

Joel was a chief of the Gadites who lived in the territory of Bashan.

From Easton's Bible Dictionary

The oldest of Samuel's two sons appointed by him as judges in Beersheba (1 Sam. 8:2). (See VASHNI.)

Easton's Illustrated Bible Dictionary, 1897 — public domain, quoted in full and unedited.

1 Chronicles 5:12 Joel was the chief, Shapham the second, then Jaanai and Shaphat, who lived in Bashan.