Can the owner use you?

Of course. The property belongs to the employment relationship with the owner, and the property needs to help the owner solve the problem. You are a kind of honorific title, which can show respect for the host and can be used. The word "property" was translated from English property or estate, and was introduced into coastal areas and inland areas from China and Hongkong. It means property, assets, real estate, real estate, industry and so on.