You are to gird Aaron and his sons with sashes, tie headwear on them, and they shall hold the priesthood by a perpetual statute. In this way you are to consecrate Aaron and his sons.
Whenever the Tabernacle sets out, the Levites are to dismantle it, and whenever the Tabernacle is pitched, the Levites are to set it up. But the commoner who comes near to it must be put to death.
just as Adonai had spoken to him by Moses’ hand, so that it would be as a reminder to Bnei-Yisrael that no one who was not a descendant of Aaron should burn incense before Adonai, and so no one would become like Korah and his following.
They are to perform their duties for you and for all matters related to the Tent. They must not approach the implements of the Sanctuary or the altar—otherwise, both you and they will die.
But you and your sons with you are to maintain your priesthood for everything pertaining to the altar and inside the parokhet . I am giving you the ministry of the priesthood as a gift. Anyone unauthorized who approaches will die.”
Those camping in front of the Tent of Meeting, on the east, toward the sunrise, were Moses, Aaron, and his sons. They were to care for the Sanctuary on behalf of Bnei-Yisrael. But anyone unauthorized who approached had to be executed.
Then He struck down some of the men of Beth-shemesh because they had gazed into the ark of Adonai. He struck down the people—70 out of 50,000 men—the people mourned because Adonai had struck the people a great slaughter.