A mediator in general, one who liaises between two or more parties to attempt to achieve an outcome of some kind.
An agent involved in the exchange of messages or transactions.
A mediator between a buyer and seller.
A stockbroker.
To act as a broker; to mediate in a sale or transaction.
To act as a broker in; to arrange or negotiate.
A designated internal mediator in an organization whose duty is to assist members with conflict resolution and other problems and to serve as an independent consultant to recommend changes to policies or procedures to improve organization effectiveness, efficiency, and humaneness.
An appointed official whose duty is to investigate complaints, generally on behalf of individuals such as consumers or taxpayers, against institutions such as companies and government departments.