An owner is someone who has legal control over something. An EMPLOYER is someone who hires and pays employees to work for them. A MISTRESS is a woman who has a long-term sexual relationship with a man without being married to him. An INVESTOR is someone who puts money into a business or other venture in order to make a profit. A CAPITALIST is someone who invests money in order to make a profit from the ownership of capital. A FREEHOLDER is someone who owns land outright, without any restrictions or obligations. A LANDLORD is someone who owns or manages rental property. A TITLEHOLDER is someone who holds legal title to a property. A LANDOWNER is someone who owns land. A PURCHASER is someone who buys something. A MASTER is someone who has authority over others. A prince is a male member of a royal family. A POSSESSOR is someone who has possession of something. A PROPRIETOR is someone who owns a business.