https://en.wikipedia.org/wiki/Habiru
Habiru (sometimes written as Hapiru, and more accurately as ʿApiru, meaning "dusty, dirty"; Sumerian: ????????, sagaz; Akkadian: ????????????, ḫabiru or ʿaperu) is a term used in 2nd-millennium BCE texts throughout the Fertile Crescent for people variously described as rebels, outlaws, raiders, mercenaries, bowmen, servants, slaves, and laborers.