NUM 1:50

50 Appoint the male descendants of Levi to take care of the Sacred Tent and the chest inside it that contains [the tablets on which are written] the Ten Commandments. They must also take care of the other things that are inside the tent. [When you travel], they are the ones who must carry the tent and all the things that are inside it, and they must take care of it and set up their tents around it.