1. 异端的：infestation 群袭 | infidel 异端的 | infidelic 不信教的
2. 不信教者,异教徒：264. infantry: 步兵. | 265. infidel: 不信教者,异教徒. | 266. informer: 告发者,告密者.
3. 不信仰者,异教徒：rhetorical 带修辞色彩的,用作说服效果 | infidel 不信仰者,异教徒 | fundamentalism 正统派基督教
1. 无宗教信仰者;异教徒
If one person refers to another as an infidel, the first person is hostile towards the second person because that person has a different religion or has no religion.
e.g. ...a holy war, to drive the infidels and the non-believers out of this holy land.
一场圣战，为的是把异教徒和不信仰上帝的人赶出这片圣地