New Revised Standard Version
But you shall make a register of Aaron and his descendants; it is they who shall attend to the priesthood, and any outsider who comes near shall be put to death.

Contemporary English Version
who have been appointed to be priests. Anyone else who tries to perform the duties of a priest must be put to death.

New American Bible
But you will appoint only Aaron and his descendants to exercise the priesthood. Any unauthorized person who comes near shall be put to death.

Douay-Rheims Bible
To Aaron and to his sons, to whom they are delivered by the children of Israel. But thou shalt appoint Aaron and his sons over the service of priesthood. The stranger that approacheth to minister, shall be put to death.

To Aaron and to his sons, to whom they are delivered by the children of Israel. But thou shalt appoint Aaron and his sons over the service of priesthood. The stranger that approacheth to minister, shall be put to death.

they shall

Numbers 18:7 But thou and thy sons look ye to the priesthood: and all things that pertain to the service of the altar, and that are within the veil, shall be executed by the priests. If any stranger shall approach, he shall be slain.

1 Chronicles 6:32 And they ministered before the tabernacle of the testimony, with singing, until Solomon built the house of the Lord in Jerusalem, and they stood according to their order in the ministry.

Ezekiel 44:8 And you have not kept the ordinances of my sanctuary: but you have set keepers of my charge in my sanctuary for yourselves.

Acts 6:3,4 Wherefore, brethren, look ye out among you seven men of good reputation, full of the Holy Ghost and wisdom, whom we may appoint over this business. . . .

Romans 12:7 Or ministry, in ministering; or he that teacheth, in doctrine;

1 Timothy 4:15,16 Meditate upon these things, be wholly in these things: that thy profiting may be manifest to all. . . .

and the stranger

Numbers 3:38 Before the tabernacle of the covenant, that is to say on the east side shall Moses and Aaron camp, with their sons, having the custody of the sanctuary, in the midst of the children of Israel. What stranger soever cometh unto it, shall be put to death.

Numbers 1:51 When you are to go forward, the Levites shall take down the tabernacle: when you are to camp, they shall set it up. What stranger soever cometh to it, shall be slain.

Numbers 16:35,40 And a fire coming out from the Lord, destroyed the two hundred and fifty men that offered the incense. . . .

Numbers 18:3 And the Levites shall watch to do thy commands, and about all the works of the tabernacle: only they shall not come nigh the vessels of the sanctuary nor the altar, lest both they die, and you also perish with them.

1 Samuel 6:19 But he slew of the men of Bethsames, because they had seen the ark of the Lord, and he slew of the people seventy men, and fifty thousand of the common people. And the people lamented, because the Lord had smitten the people with a great slaughter.

2 Samuel 6:7 And the indignation of the Lord was enkindled against Oza, and he struck him for his rashness: and he died there before the ark of God.

2 Chronicles 26:16-21 But when he was made strong, his heart was lifted up to his destruction, and he neglected the Lord his God: and going into the temple of the Lord, he had a mind to burn incense upon the altar of incense. . . .

Ephesians 2:19 Now therefore you are no more strangers and foreigners: but you are fellow citizens with the saints and the domestics of God,

Hebrews 3:4 For every house is built by some man: but he that created all things is God.

Hebrews 10:19-22 Having therefore, brethren, a confidence in the entering into the holies by the blood of Christ: . . .