Yahweh spoke to Moses, saying, "Bring near the tribe of Levi, and {set the tribe} {before Aaron} the priest, and they will minister to him. They shall observe his duties and the duties of the entire community before the tent of assembly, to do the work of the tabernacle. read more.
And they will keep all the vessels of the tent of assembly and the responsibilities of the {Israelites}, to do the work of the tabernacle. You will give the Levites to Aaron and to his descendants; they [are] surely assigned to him from among the {Israelites}.