nonconformist

Adjective
  1. Not conforming to some norm or socially approved pattern of behavior or thought (synset 300612640)
    "their rabidly nonconformist deportment has made them legendary"; "the old stubborn nonconformist spirit of the early settlers"
  2. Not conforming to established customs or doctrines especially in religion (synset 301696279)
Noun
  1. A Protestant in England who is not a member of the Church of England (synset 109977612)
  2. Someone who refuses to conform to established standards of conduct (synset 109977313)

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