These were the sons of Levi according to their fathers’ households, even the heads of the fathers’ households of those of them who were counted, in the number of names by their census, doing the work for the service of the house of Yahweh, from twenty years old and upward.
So when the tabernacle is to set out, the Levites shall take it down; and when the tabernacle encamps, the Levites shall set it up. But the layman who comes near shall be put to death.
“Then the tent of meeting shall set out with the camp of the Levites in the midst of the camps; just as they camp, so they shall set out, every man in his place by their standards.