The priesthood, "for everything of the altar, and for that within the veil," is given to the aaronites as a service of gift.
the descendants of Aaron, and therefore priests. Jehoiada, the father of Benaiah, led 3,700 Aaronites as "fighting men" to the support of David at Hebron (1 Chr. 12:27). Eleazar (Num. 3:32), and at a later period Zadok (1 Chr. 27:17), was their chief.