someone who refuses to conform to established standards of conduct
a Protestant in England who is not a member of the Church of England - chapelgoer
Adjective
not conforming to established customs or doctrines especially in religion
not conforming to some norm or socially approved pattern of behavior or thought "their rabidly nonconformist deportment has made them legendary" "the old stubborn nonconformist spirit of the early settlers" - unconformist