Numbers 4:25

4:25 They must carry the curtains for the tabernacle and the tent of meeting with its covering, the covering of fine leather that is over it, the curtains for the entrance of the tent of meeting,

Numbers 18:4

18:4 They must join with you, and they will be responsible for the care of the tent of meeting, for all the service of the tent, but no unauthorized person may approach you.