This can be stated in active form. Alternate translation: "the one who bought the house in the city where it is located must return it" (See: [[rc://en/ta/man/translate/figs-activepassive]])
The land of Canaan was divided up among the people of Israel, but of that land, the Levites were only given 48 cities with the fields around them. Alternate translation: "their part of the land that the Israelites possessed" or "their property in the land of Israel"