promoter

1. N-COUNT A promoter is a person who helps organize and finance an event, especially a sports event. (尤指体育赛事的) 承办者

...one of the top boxing promoters in Las Vegas. …拉斯维加斯顶尖的拳击比赛的承办者之一。

2. N-COUNT The promoter of a cause or idea tries to make it become popular. 倡导者

Aaron Copland was always the most energetic promoter of American music. 阿伦·柯普兰一直是是美国音乐最积极的倡导者。