non-believer
noun/ˌnɒn bɪˈliːvə(r)/
/ˌnɑːn bɪˈliːvər/
(also nonbeliever especially in North American English)
- a person who has no religious faith or does not believe in a particular philosophy
非信徒：没有宗教信仰或不相信特定哲学的人 - an effort to convert non-believers
促使非信徒皈依的努力
- an effort to convert non-believers