Numbers 18:32
Once you have presented the best part of it, you will not incur guilt because of it. But you must not defile the sacred offerings of the Israelites, or else you will die.’”

Numbers 18:11-13
And this is yours as well: the offering of their gifts, along with all the wave offerings of the Israelites. I have given this to you and your sons and daughters as a permanent statute. Every ceremonially clean person in your household may eat it. / I give you all the freshest olive oil and all the finest new wine and grain that the Israelites give to the LORD as their firstfruits. / The firstfruits of everything in their land that they bring to the LORD will belong to you. Every ceremonially clean person in your household may eat them.

Deuteronomy 18:3-5
This shall be the priests’ share from the people who offer a sacrifice, whether a bull or a sheep: the priests are to be given the shoulder, the jowls, and the stomach. / You are to give them the firstfruits of your grain, new wine, and oil, and the first wool sheared from your flock. / For the LORD your God has chosen Levi and his sons out of all your tribes to stand and minister in His name for all time.

Exodus 29:33
They must eat those things by which atonement was made for their ordination and consecration. But no outsider may eat them, because these things are sacred.

Nehemiah 13:29
Remember them, O my God, because they have defiled the priesthood and the covenant of the priesthood and of the Levites.

Malachi 1:12-13
“But you profane it when you say, ‘The table of the Lord is defiled, and as for its fruit, its food is contemptible.’ / You also say: ‘Oh, what a nuisance!’ And you turn up your nose at it,” says the LORD of Hosts. “You bring offerings that are stolen, lame, or sick! Should I accept these from your hands?” asks the LORD.

1 Samuel 2:12-17
Now the sons of Eli were wicked men; they had no regard for the LORD / or for the custom of the priests with the people. When any man offered a sacrifice, the servant of the priest would come with a three-pronged meat fork while the meat was boiling / and plunge it into the pan or kettle or cauldron or cooking pot. And the priest would claim for himself whatever the meat fork brought up. This is how they treated all the Israelites who came to Shiloh. ...

Ezekiel 44:7-9
In addition to all your other abominations, you brought in foreigners uncircumcised in both heart and flesh to occupy My sanctuary; you defiled My temple when you offered My food—the fat and the blood; you broke My covenant. / And you have not kept charge of My holy things, but have appointed others to keep charge of My sanctuary for you.’ / This is what the Lord GOD says: No foreigner uncircumcised in heart and flesh may enter My sanctuary—not even a foreigner who lives among the Israelites.

Ezekiel 22:26
Her priests do violence to My law and profane My holy things. They make no distinction between the holy and the common, and they fail to distinguish between the clean and the unclean. They disregard My Sabbaths, so that I am profaned among them.

Isaiah 56:6-7
And the foreigners who join themselves to the LORD to minister to Him, to love the name of the LORD, and to be His servants—all who keep the Sabbath without profaning it and who hold fast to My covenant— / I will bring them to My holy mountain and make them joyful in My house of prayer. Their burnt offerings and sacrifices will be accepted on My altar, for My house will be called a house of prayer for all the nations.”

Matthew 7:6
Do not give dogs what is holy; do not throw your pearls before swine. If you do, they may trample them under their feet, and then turn and tear you to pieces.

1 Corinthians 9:13
Do you not know that those who work in the temple eat of its food, and those who serve at the altar partake of its offerings?

Hebrews 13:10
We have an altar from which those who serve at the tabernacle have no right to eat.

Romans 15:16
to be a minister of Christ Jesus to the Gentiles in the priestly service of the gospel of God, so that the Gentiles might become an offering acceptable to God, sanctified by the Holy Spirit.

1 Peter 2:5
you also, like living stones, are being built into a spiritual house to be a holy priesthood, offering spiritual sacrifices acceptable to God through Jesus Christ.