[{"Bold_text": "noun", "List Items": ["an agent who buys or sells for a principal on a commission basis without having title to the property.", "a person who functions as an intermediary between two or more parties in negotiating agreements, bargains, or the like.", "stockbroker ."]}, {"Bold_text": "verb (used with object)", "List Items": ["to act as a broker for:to broker the sale of a house."]}, {"Bold_text": "verb (used without object)", "List Items": ["to act as a broker."]}]