Numbers 8:13

Then the Levites are to be put before Aaron and his sons, to be offered as a wave offering to the Lord.

Numbers 8:11

And Aaron is to give the Levites to the Lord as a wave offering from the children of Israel, so that they may do the Lord's work.

Numbers 8:21

And the Levites were made clean from sin, and their clothing was washed, and Aaron gave them for a wave offering before the Lord; and Aaron took away their sin and made them clean.

Numbers 18:6

Now, see, I have taken your brothers the Levites from among the children of Israel: they are given to you and to the Lord, to do the work of the Tent of meeting.

Romans 12:1

For this reason I make request to you, brothers, by the mercies of God, that you will give your bodies as a living offering, holy, pleasing to God, which is the worship it is right for you to give him.

Romans 15:16

To be a servant of Christ Jesus to the Gentiles, doing the work of a priest in the good news of God, so that the offering of the Gentiles might be pleasing to God, being made holy by the Holy Spirit.

Treasury of Scripture Knowledge

Summary

And thou shalt set the Levites before Aaron, and before his sons, and offer them for an offering unto the LORD.

Bible References

Offer them

Romans 12:1
For this reason I make request to you, brothers, by the mercies of God, that you will give your bodies as a living offering, holy, pleasing to God, which is the worship it is right for you to give him.
Romans 15:16
To be a servant of Christ Jesus to the Gentiles, doing the work of a priest in the good news of God, so that the offering of the Gentiles might be pleasing to God, being made holy by the Holy Spirit.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain