This subtitle shall apply to real estate brokers, real estate salesmen, and real estate dealers as herein defined. “Real estate” shall include leaseholds and all other interests in real property. “Real estate broker” shall mean any person, association, copartnership, or corporation, foreign or domestic, who:for another and for a fee, commission, or any other valuable consideration, sells, purchases, exchanges, leases, rents, or collects rent, for the use of real estate; attempts or who offers by verbal solicitation, advertisement, or otherwise to perform any such function; or is engaged in the business of subdividing and selling land in building lots or sites. “Real estate dealer” shall mean one who is regularly engaged in the business of dealing and trading in real estate or leases and options thereof. “Real estate salesman” shall mean any person who performs on behalf of any real estate broker, any act or acts authorized by the Maryland Real Estate Brokers Act to be performed by a real estate broker. City Code, 1966, art. 19, §114(a)(1) 1976/83, art. 19, §132(a)(1) Ord. 60-431