This is the 6351st most frequent Chinese word.
房主
"房主" means "house owner" or "landlord."
房主 emphasizes the person who owns the property and takes responsibility for its maintenance in this sentence.
房主正在修理屋顶上的漏水问题。
The homeowner is fixing the water leakage on the roof.
房主 here refers to the new owner taking charge of the property.
新来的房主决定重新装修房子。
The new homeowner decided to renovate the house.
房主 indicates the owner of the property who has the authority to make decisions about its usage.