Easton's Bible Dictionary (1897)
Jehovah is his help, one of the Korhites who became part of David’s body-guard (1 Chr. 12:6).
Smith's Bible Dictionary (1863)
(whose help is Jehovah), a Korhite, one of David’s captains.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
JOE'ZER (whose help is Jehovah), a Benjamite who was a Korhite, who came to David at Ziklag. 1 Chr 12:6.
Hitchcock's Bible Names (1869)
he that aids