Jair: enlightener. (1.) The son of Segub. He was brought up with his mother in Gilead, where he had possessions (1 Chr. 2:22). He distinguished himself in an expedition against Bashan, and settled in the part of Argob on the borders of Gilead. The small towns taken by him there are called Havoth-jair, i.e., "Jair's villages" (Num. 32:41; Deut. 3:14; Josh. 13:30).

(2.) The eighth judge of Israel, which he ruled for twenty-two years. His opulence is described in Judg. 10:3-5. He had thirty sons, each riding on "ass colts." They had possession of thirty of the sixty cities (1 Kings 4:13; 1 Chr. 2:23) which formed the ancient Havoth-jair.

(3.) A Benjamite, the father of Mordecai, Esther's uncle (Esther 2:5).

(4.) The father of Elhanan, who slew Lahmi, the brother of Goliath (1 Chr. 20:5).