Bidkar
The name Bidkar means “in compunction, or sharp pain”.
Smith's Bible Dictionary 1863
(son of stabbing , i.e, one who stabs), Jehu’s "captain," originally his fellow officer, (2 Kings 9:25) who completed the sentence on Jehoram, son of Ahab.
International Standard Bible Encyclopedia 1915
bid'-kar (bidhqar; "son of Deker" (?); compare HPN, 69): A captain in the service of Jehu, formerly his fellow-officer (2Ki 9:25).