promoter /prəˈməʊtər/ noun [C]
› a person, organization, or government that tries to encourage something to happen or develop: The country is now a leading promoter of regional trade. He was a promoter of education and the arts.
› a person who arranges finance for sports and musical events: By licensing the tour to a professional promoter, the company would still have been guaranteed a profit. a concert/music/sports promoter