One who dissents:
The definition of a nonconformist is a person who refuses to adhere to established social orders or to fulfill the expectations placed on him by custom or society.
Radical is someone who goes against social norms and who often advocates social change.
Find another word for nonjuror. In this page you can discover 5 synonyms, antonyms, idiomatic expressions, and related words for nonjuror, like: dissenter, heretic, eccentric, nonconformist and radical.