promoter
noun [ C ] uk/prəˈməʊ.tər/ us/prəˈmoʊ.t̬ɚ/
促进者；提倡者；起促进作用的事物
someone who tries to encourage something to happen or develop
a promoter of peace/sexual equality 和平／男女平等的倡导者
（体育比赛、演出等的）承办者，出资人
a person who organizes and arranges sports and musical events
a boxing/rock concert promoter 拳击比赛／摇滚音乐会的承办者