Real estate broker

realtor, real-estate agent, one who creates ties between people selling their property and potential buyers for a percentage of the sale

A real estate broker is a party who acts as an intermediary between sellers and buyers of real estate and attempts to find sellers who wish to sell and buyers who wish to buy. In the United States, the relationship was originally established by reference to the English common law of agency with the broker having a fiduciary relationship with his clients. Estate agent is the term used in the United Kingdom to describe a person or organization whose business is to market real estate on behalf of clients.
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Noun
1. a person who is authorized to act as an agent for the sale of land; "in England they call a realtor a land agent"
(synonym) realtor, real estate agent, estate agent, land agent, house agent
(hypernym) agent, factor, broker

A person receiving a commission for arranging and facilitating the sale of a property for a buyer or a seller.