An iconoclast is a person who challenges accepted beliefs or conventions. Synonyms for iconoclast include maverick, rebel, challenger, nonconformist, dissenter, and heretic. A maverick is a person who thinks and acts independently, breaking away from the norm. A rebel is an individual who resists authority or the status quo. A challenger is someone who questions the established way of doing things. A nonconformist is a person who refuses to conform to rules or traditions. A dissenter is an individual who opposes or disagrees with official or commonly-held views. A heretic is someone who holds beliefs that go against those of an established religion or ideology.