Numbers 8:13

You shall have the Levites stand before Aaron and before his sons so as to present them as a wave offering to the Lord.

Numbers 8:11

Aaron then shall present the Levites before the Lord as a wave offering from the sons of Israel, that they may qualify to perform the service of the Lord.

Numbers 8:21

The Levites, too, purified themselves from sin and washed their clothes; and Aaron presented them as a wave offering before the Lord. Aaron also made atonement for them to cleanse them.

Numbers 18:6

Behold, I Myself have taken your fellow Levites from among the sons of Israel; they are a gift to you, dedicated to the Lord, to perform the service for the tent of meeting.

Romans 12:1

Therefore I urge you, brethren, by the mercies of God, to present your bodies a living and holy sacrifice, acceptable to God, which is your spiritual service of worship.

Romans 15:16

to be a minister of Christ Jesus to the Gentiles, ministering as a priest the gospel of God, so that my offering of the Gentiles may become acceptable, sanctified 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
Therefore I urge you, brethren, by the mercies of God, to present your bodies a living and holy sacrifice, acceptable to God, which is your spiritual service of worship.
Romans 15:16
to be a minister of Christ Jesus to the Gentiles, ministering as a priest the gospel of God, so that my offering of the Gentiles may become acceptable, sanctified by the Holy Spirit.