broker constant

broker [Expects: http://schema.org/Organization, http://schema.org/Person]

An entity that arranges for an exchange between a buyer and a seller. In most cases a broker never acquires or releases ownership of a product or service involved in an exchange. If it is not clear whether an entity is a broker, seller, or buyer, the latter two terms are preferred.

Can be used on: http://schema.org/Invoice, http://schema.org/Order, http://schema.org/Reservation, http://schema.org/Service