Numbers 3:10-13 You shall appoint Aaron and his sons, and they shall keep their priesthood. The stranger who comes near shall be put to death."

WEB_Strongs⁽ⁱ⁾

10 H6485 You shall appoint H175 Aaron H1121 and his sons, H8104 and they shall keep H3550 their priesthood. H2114 The stranger H7131 who comes near H4191 shall be put to death."

11 H3068 Yahweh H1696 spoke H4872 to Moses, H559 saying,

12 H3947 "Behold, I have taken H3881 the Levites H8432 from among H1121 the children H3478 of Israel H1060 instead of all the firstborn H6363 who open H7358 the womb H1121 among the children H3478 of Israel; H3881 and the Levites shall be mine:

13 H1060 for all the firstborn H3117 are mine. On the day H5221 that I struck H1060 down all the firstborn H776 in the land H4714 of Egypt H6942 I made holy H1060 to me all the firstborn H3478 in Israel, H120 both man H929 and animal. H3068 They shall be mine. I am Yahweh."