Numbers 18:7

But only you and your sons shall attend to your priesthood for everything concerning the altar and what is inside the veil, and you are to perform that service. I am giving you the work of the priesthood as a gift, but any outsider who comes near the sanctuary must be put to death.”
BSB · Berean Standard Bible
Therefore thou and thy sons with thee shall keep your priest’s office for every thing of the altar, and within the vail; and ye shall serve: I have given your priest’s office unto you as a service of gift: and the stranger that cometh nigh shall be put to death.
KJV · King James Version
You and your sons with you shall keep your priesthood for everything of the altar, and for that within the veil. You shall serve. I give you the service of the priesthood as a gift. The stranger who comes near shall be put to death.”
WEB · World English Bible
And thou and thy sons with thee shall keep your priesthood for everything of the altar, and for that within the veil; and ye shall serve: I give you the priesthood as a service of gift: and the stranger that cometh nigh shall be put to death.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

Therefore thou
Numbers 18:5; Numbers 3:10
within
Leviticus 16:2, 12–14; Hebrews 9:3–6
as a service
Numbers 16:5–7; 1 Samuel 2:28; John 3:27; Romans 15:15, 16; Ephesians 3:8; Hebrews 5:4
the stranger
Numbers 18:4; Numbers 3:38; Numbers 16:40