A heretic is someone whose beliefs or actions are considered wrong by most people, because they disagree with beliefs that are generally accepted. He was considered a heretic and was ridiculed and ostracized for his ideas. Synonyms: nonconformist, dissident, separatist, sectarian More Synonyms of heretic.

What does a heretic do?

a professed believer who maintains religious opinions contrary to those accepted by his or her church or rejects doctrines prescribed by that church. Roman Catholic Church. a baptized Roman Catholic who willfully and persistently rejects any article of faith.

What do you call someone who goes against their beliefs?

The noun heretic is mostly used in a religious context to talk about someone whose actions or beliefs act against the laws, rules, or beliefs of some specific religion.