convert

/ˈkɑnvərt/

a person who has been converted to another religious or political belief

中文释义：皈依者；改变信仰者

He became a convert to Buddhism after traveling to Asia.

在亚洲旅行后，他成了佛教的皈依者。

Many converts to the new technology found it difficult at first.

许多转而使用新技术的人起初觉得困难。