Numbers 18:2-7

2And with you bring your brothers also, the tribe of Levi, the tribe of your father, that they may ajoin you and bminister to you while you and your sons with you are before the tent of the testimony. 3They shall keep guard over you and cover the whole tent, dbut shall not come near to the vessels of the sanctuary or to the altar elest they, and you, die. 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.”

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