Leviticus 22:10

10 a“A lay person shall not eat of a holy thing; no foreign guest of the priest or hired worker shall eat of a holy thing,

Numbers 3:10

10And you shall appoint Aaron and his sons, and bthey shall guard their priesthood. But if cany outsider comes near, he shall be put to death.”

Numbers 3:38

38Those who were to camp before the tabernacle on the east, before the tent of meeting toward the sunrise, were Moses and Aaron and his sons, dguarding the sanctuary itself, to protect
Hebrew guard
the people of Israel. And any outsider who came near was to be put to death.

Numbers 18:4-7

4They shall join you and keep guard over the tent of meeting for all the service of the tent, fand no outsider shall come near you. 5And you shall gkeep guard over the sanctuary and over the altar, hthat there may never again be wrath on the people of Israel. 6 iAnd behold, I have taken your brothers the Levites from among the people of Israel. jThey are a gift to you, given to the Lord, to do the service of the tent of meeting. 7And kyou and your sons with you shall guard your priesthood for all that concerns the altar and lthat is within the veil; and you shall serve. I give your priesthood as a gift,
Hebrew service of gift
and nany outsider who comes near shall be put to death.”

2 Chronicles 26:18-20

18and they withstood King Uzziah and said to him, o“It is not for you, Uzziah, to burn incense to the Lord, pbut for the priests, the sons of Aaron, who are consecrated to burn incense. Go out of the sanctuary, for you have done wrong, and it will bring you no honor from the Lord God.” 19Then Uzziah was angry. Now he had a censer in his hand to burn incense, and when he became angry with the priests, qleprosy
 Leprosy was a term for several skin diseases; see Leviticus 13
broke out on his forehead in the presence of the priests in the house of the Lord, by the altar of incense.
20And Azariah the chief priest and all the priests looked at him, and behold, he was leprous in his forehead! And they rushed him out quickly, and he himself hurried to go out, because the Lord had struck him.

Jude 11

11Woe to them! For they walked in sthe way of Cain and abandoned themselves for the sake of gain tto Balaam’s error and uperished in Korah’s rebellion.
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