champion
noun
verb
ˈtʃæmpiən noun
1 someone or something that has won a competition, especially in sport 〔尤指体育比赛中的〕冠军,第一名
the world heavyweight boxing champion
世界重量级拳击冠军
the Olympic champion
奥运会冠军
reigning/defending champion
2
champion of sth/sb
someone who publicly fights for and defends an aim or principle, such as the rights of a group of people 某事物/某人的捍卫者 (斗士 )
a champion of women’s rights
妇女权利捍卫者
verb
3 to publicly fight for and defend an aim or principle, such as the rights of a group of people [书面] 捍卫; 维护
She championed the cause of religious freedom.
她捍卫宗教自由事业。