paladin

The lawyer was known as a paladin of consumer rights, always taking on big companies.

这位律师以消费者权益的捍卫者而闻名，总是与大型公司较量。

用法提示：此处为名词，意为“为某项事业而奋斗的卫道者”。

As a young activist, she became a paladin of environmental protection in her community.

作为一名年轻的活动家，她成为社区环境保护的捍卫者。

用法提示：此处为名词，指“为某项事业而奋斗的人”。

He called himself a paladin of free speech, but many disagreed with his methods.

他自称言论自由的卫道者，但许多人不同意他的做法。

用法提示：此处为名词，意为“捍卫或支持某项事业的人”。