Numbers 18:23
Only the Levites shall perform the service of the Tent of Meeting (tabernacle), and they shall bear their iniquity; it shall be a statute forever throughout your generations, that the Levites shall have no inheritance [of land] among the children of Israel.
Numbers 3:7
They shall carry out the duties for him and for the whole congregation before the Tent of Meeting, doing the service of the tabernacle.
Numbers 18:1
So the Lord said to Aaron, “You and your sons and your father’s household (family) with you shall bear the guilt in connection with the sanctuary [that is, through your service as priests you will atone for the offenses which the people unknowingly commit when brought into contact with the manifestations of God’s presence]; and you and your sons with you shall bear the guilt in connection with your priesthood [that is, your own unintentional offenses].
Numbers 18:20
Then the Lord said to Aaron, “You shall have no inheritance in the land [of the Israelites], nor have any portion [of land] among them. I am your portion and your inheritance among the children of Israel.