trendspotter       
noun [ C ] uk/ˈtrendˌspɒt.ər/ us/ˈtrendˌspɑː.t̬ɚ/
 时尚发掘者,新潮倡导者
a person who notices and reports on new fashions, ideas, or activities that are becoming popular
  Trendspotter Faith Starr believes a revolution is going on in the world of conferencing. 时尚发掘者费思‧斯塔尔认为,会议技术界正在发生一场革命。