nonconformist - noun

a Protestant in England who is not a member of the Church of England

someone who refuses to conform to established standards of conduct

nonconformist - adjective

• not conforming to some norm or socially approved pattern of behavior or thought
• not conforming to established customs or doctrines especially in religion

nonconformist - thesaurus

chapelgoer   nonconforming   recusant   unconformist