For Sale By Owner (FSBO) is the process of selling real estate without the representation of a real estate A person or firm that acts as an agent between providers and users of products or services, such as a mortgage broker or real estate broker. See also “Mortgage Broker.”… or Real Estate Agents are licensed salespersons. They are not real estate brokers. A real estate agent must work for an employing broker and cannot work independently. Brokers are responsible for their real estate agents’ actions and compensation. A real estate broker can act as an agent….. The National Association of Realtors (NAR) reports 89% of home sellers and buyers used an agent or broker in 2017.