someone who question or stands against the belief-system or customes of the majority of the society
1. Since he seemed to be an iconoclast and dared to speak against the management, he was fired first from the job.
2. You need not be an iconoclast to stand against the wrong-belief-system. You can politely point out the wrong-doings of the religious leaders.
The original meaning of the word ICONOCLAST is the man who destroys the images treated as pure in a religion.
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