iconoclast
/aɪkənˈɒklæst/Definitions
1. noun
A person who attacks or rejects established or conventional values, especially in the arts
“The artist was hailed as an iconoclast for his bold and unconventional approach to sculpture.”
2. noun
A person who attacks or rejects cherished or established ideas, especially in a revolutionary or radical manner
“The iconoclast in politics sought to dismantle the entire system and start anew.”
3. adjective
Characterized by a readiness to challenge established views or conventions
“The iconoclastic novel was praised for its willingness to challenge traditional social norms.”