9 You shall give the Levites to Aaron and to his sons. They are wholly given to him on the behalf of the children of Israel.
Numbers 3:9 Cross References - WEB
Numbers 8:19
19 I have given the Levites as a gift to Aaron and to his sons from among the children of Israel, to do the service of the children of Israel in the Tent of Meeting, and to make atonement for the children of Israel, so that there will be no plague among the children of Israel when the children of Israel come near to the sanctuary.”
Numbers 18:6-7
6 Behold, I myself have taken your brothers the Levites from among the children of Israel. They are a gift to you, dedicated to Yahweh, to do the service of the Tent of Meeting.
7 You and your sons with you shall keep your priesthood for everything of the altar, and for that within the veil. You shall serve. I give you the service of the priesthood as a gift. The stranger who comes near shall be put to death.”
Ephesians 4:8
8 Therefore he says, “When he ascended on high, he led captivity captive, and gave gifts to people.”
Ephesians 4:11
11 He gave some to be apostles; and some, prophets; and some, evangelists; and some, shepherds and teachers;