Jeezer and Jeezerite are names used in the King James Version of the Bible. These names are shortened forms of Abiezer and Abiezerite. Abiezer was a son of Gilead, and the Abiezerites were his descendants (Numbers 26:30).
Jeezer, Jeezerite
From Tyndale Bible Dictionary, adapted by Mission Mutual. CC BY-SA 4.0.