代言词的英文

形象代言人是celebrity，这是在西方英语国家真正的、实际的、流行的用法。

动词代言可以用单词represent，也可以用短语in name of;on behalf of来表示eg：Mr.Li gave us a heart-stirring speech on behalf of/in the name of the committee.代言人也可以用多个单词来表达，常用的有1、deputya deputy to National People's Congress(中国)人民代表大会代表2、prolocutor（专指会议上代表团体的发言人）3、mouthpiece非正式用语，

endorsement

endorse something 解释：to say in an advertisement that you use and like a particular product so that other people will want to buy it例句：I wonder how many celebrities actually use the products they endorse. 多查查词典，以上出自牛津词典