I'm not a heretic.

Orthodox Christians consider Catholics to be heretics.

The gods do not take kindly to heretics.

The heretics were burned alive.

Heretics were subjected to torture.

Heretics were punished, because a threat to religious orthodoxy was a threat to the monarch's power.

The translators of the New Testament were considered heretics.

It wasn't very long ago that Europeans were burning heretics at the stake.

Heretics were executed.

In the 15th century the Spanish inquisitor Pedro de Arbués de Épila organized in Zaragoza a game of "living chess" with heretics to stand in as figures who were put to death when they were "captured". In 1867 Arbués was canonized by Pope Pius IX.