Numbers 18:4-7 And they shall be joined to you, and keep the charge of the tabernacle of the congregation, for all the service of the tabernacle: and a stranger shall not come near to you.

AKJV_Strongs⁽ⁱ⁾

4 H3867 And they shall be joined H8104 to you, and keep H4931 the charge H168 of the tabernacle H4150 of the congregation, H3605 for all H5656 the service H168 of the tabernacle: H376 and a stranger H2114 H7126 shall not come H7126 near to you.

5 H8104 And you shall keep H4931 the charge H6944 of the sanctuary, H4931 and the charge H4196 of the altar: H3808 that there be no H7110 wrath H5750 any more H1121 on the children H3478 of Israel.

6 H2009 And I, behold, H3947 I have taken H251 your brothers H3881 the Levites H8432 from among H1121 the children H3478 of Israel: H5414 to you they are given H4979 as a gift H3068 for the LORD, H5647 to do H5656 the service H168 of the tabernacle H4150 of the congregation.

7 H1121 Therefore you and your sons H8104 with you shall keep H3550 your priest’s H3605 office for everything H1697 H4196 of the altar, H1004 and within H6532 the veil; H5647 and you shall serve: H5414 I have given H3550 your priest’s H5656 office to you as a service H4979 of gift: H376 and the stranger H2114 H7131 that comes H7126 near H4191 shall be put to death.