TSK · Numbers 8:13

and Aaron is to offer the Levites before the LORD as a wave offering from the Israelites, that they may do the work of the LORD.

I myself have chosen your brothers the Levites from among the Israelites. They are given to you as a gift from the LORD, to perform the duties of the tent of meeting.

to be a minister of Christ Jesus to the Gentiles. I serve the gospel of God like a priest, so that the Gentiles may become an acceptable offering, sanctified by the Holy Spirit.