Definition: someone who supports, defends, or fights for a person, belief, or principle Level: C2
他几十年来一直是人权的捍卫者。
He has been a ___champion of human rights for decades.
在他的著作中，他充当个人美德的捍卫者。
In his writings, he acts as a ___champion of personal virtues.
这位律师是环境保护的坚定支持者。
The lawyer is a strong ___champion for environmental protection.
