iconoclast
noun /aɪˈkɒnəklæst/
/aɪˈkɑːnəklæst/
(formal)- a person who criticizes popular beliefs or established customs and ideas
批评传统信仰（或习俗、思想）的人；反传统者 词源mid 17th cent. (originally referring to someone who destroyed images used in religious worship): via medieval Latin from ecclesiastical Greek eikonoklastēs, from eikōn ‘likeness’ + klan ‘to break’.