In this Part I of this subtitle the following words have the meanings indicated. “Beneficial owner” means a person, other than the owner of the trust money, for whose benefit a real estate broker or, on behalf of a real estate broker, an associate real estate broker or a real estate salesperson is entrusted to hold trust money. “Trust money” means a deposit, payment, or other money that a person entrusts to a real estate broker or, on behalf of a real estate broker, to an associate real estate broker or a real estate salesperson to hold for: the benefit of the owner or beneficial owner of the trust money; and a purpose that relates to a real estate transaction involving real estate in the State.