Numbers 18:23
Only the Levites will do the work at the tent of meeting. They are responsible for their own sins. This is a long lasting law for future generations. They will own no property, as the other Israelites will.
Numbers 3:7
They will work for him and the whole community in front of the tent of meeting, doing what needs to be done for the inner tent.
Numbers 18:1
Jehovah said to Aaron: You, your sons, and your family will be responsible for any sins against the holy place. You and your sons will also be responsible for any sins you commit when you work as priests.
Numbers 18:20
Jehovah said to Aaron: You will have no land or property of your own as the other Israelites will have. I am your possession and your property among the Israelites.