Numbers 4:4
"This is the service of the sons of Kohath in the Tent of Meeting, the most holy things.
Numbers 4:19
but thus do to them, that they may live, and not die, when they approach to the most holy things: Aaron and his sons shall go in, and appoint them everyone to his service and to his burden;
Numbers 3:30-31
The prince of the fathers' house of the families of the Kohathites shall be Elizaphan the son of Uzziel.
Numbers 4:15
"When Aaron and his sons have finished covering the sanctuary, and all the furniture of the sanctuary, as the camp moves forward; after that, the sons of Kohath shall come to carry it: but they shall not touch the sanctuary, lest they die. These things are the burden of the sons of Kohath in the Tent of Meeting.
Numbers 4:24
"This is the service of the families of the Gershonites, in serving and in bearing burdens:
Numbers 4:30
you shall count them from thirty years old and upward even to fifty years old, everyone who enters on the service, to do the work of the Tent of Meeting.
Mark 13:34
"It is like a man, traveling to another country, having left his house, and given authority to his servants, and to each one his work, and also commanded the doorkeeper to keep watch.