fundie       
 noun [ C ]  informal disapproving (also fundy) uk/ˈfʌn.di/ us/ˈfʌn.di/
 原教旨主义分子
a disapproving way of referring to a religious fundamentalist (= someone who believes in traditional forms of a religion, or believes that what is written in a holy book, such as the Christian Bible, is completely true)
  My enjoyment of his films is somewhat lessened by finding out that he seems to be an intolerant fundie. 等到我发现他似乎是一个不宽容的原教旨主义分子,对他电影的欣赏就有所减弱。 
 - More examples
 - The candidate made every effort to win over the fundies in the primaries.
 - She insists on her right to wear a headscarf but has little time for what she calls "fundies".
 
fundie       
adjective  informal disapproving uk/ˈfʌn.di/ us/ˈfʌn.di/
 原教旨主义分子的
a disapproving way of describing something relating to or considered typical of a religious fundamentalist
  They want a government that is basically a fundie, right-wing theocracy.
 He belongs to some sort of fundy church, I think. 我觉得他是属于某种原教旨主义分子教会的吧。 
 - More examples
 - One of the party's problems is its fear of doing anything to upset its fundie base.
 - He says the fundy Christians and the fundy Muslims have more in common than they realize.
 - He constantly does annoying fundy things like attacking evolution with ridiculous arguments.