'Needs' in the Bible

They are to take care of his needs and the needs of the whole congregation at the Tent of Meeting by performing duties at the tent.

They are to take charge of the utensils at the Tent of Meeting and meet the needs of the Israelis by performing duties on behalf of the tent.

In front of the tent and east of the Tent of Meeting, Moses, Aaron, and Aaron's sons encamped facing the east. They were tasked to perform the duties of the sanctuary and care for the needs of the Israelis. Any unauthorized person who approached was to be executed.

the hangings of the courtyard, the screen for the entrance at the gate of the courtyard that surrounds the tabernacle and the altar, along with their ropes and all the equipment for their service. They will carry out everything that needs to be done with these items.

They may assist their colleagues in the tent of meeting, to attend to needs, but they must do no work. This is the way you must establish the Levites regarding their duties."

is it a small thing that thou hast brought us up out of a land flowing with milk and honey, to kill us in the wilderness, but thou must needs make thyself also a prince over us?