non ‧ con ‧ form ‧ ist AC /ˌnɒnkənˈfɔːməst◂, ˌnɒnkənˈfɔːmɪst◂ $ ˌnɑːnkənˈfɔːr-/ BrE AmE noun [countable]
someone who does not accept the ways of thinking or behaving accepted by most other people in their society or group
—nonconformist adjective
—nonconformity noun [uncountable]