doubter
n. 抱怀疑态度的人;不信宗教的人;怀疑论者
If you refer to people as doubters, you mean that they have doubts about something, especially their religious or political system.
Some doubters fear this news may not be as good as it appears.
有些持怀疑态度的人担心这条新闻并非像报道那般美好。
1. someone who habitually doubts accepted beliefs
2. a person who doubts truth of religion
An agnostic is a doubter.
不可知论者即是怀疑论者.