broker noun
ADJ. credit, insurance, mortgage Ask advice from an insurance broker. | honest (= an independent person or country that acts between two sides in a dispute)
VERB + BROKER be, act as
PREP. ~ between acting as broker between the two opposing sides | ~ for a broker for the company > Note at JOB
You can also check other dicts: broker (English, 中文解释 ), wordnet sense, Collins Definition