4 sentences

1. 这个人不是异教徒。

   zhè gè rén bù shì yì​jiào​tú.

   This man is not a heretic.

   Source: OpenSubtitles

2. 中世纪的十字军东征是为了对抗他们眼中的异教徒。

   zhōng​shì​jì de shí​zì​jūn​dōng​zhēng shì wèi le duì​kàng tā​men yǎn​zhōng de yì​jiào​tú.

   The medieval Crusades were intended to fight against those they saw as infidels.

   Source: Dong Chinese Dictionary

3. 在宗教裁判所看来，任何质疑教义的人都是异教徒。

   zài zōng​jiào​cái​pàn​suǒ kàn​lai, rèn​hé zhì​yí jiào​yì de rén dōu shì yì​jiào​tú.

   In the eyes of the Inquisition, anyone who questioned dogma was a heretic.

   Source: Dong Chinese Dictionary

4. 他公开背弃了原本的信仰，被以前的信徒们斥为异教徒。

   tā gōng​kāi bèi​qì le yuán​běn de xìn​yǎng, bèi yǐ​qián de xìn​tú men chì wéi yì​jiào​tú.

   He publicly renounced his original faith and was denounced as a heretic by former believers.

   Source: Dong Chinese Dictionary