One who destroys religious images or icons, especially an opponent of the Orthodox Church in the 8th and 9th centuries, or a Puritan during the European Reformation
In the days of the early Christian church, people who opposed the veneration (reverence) of images were called iconoclasts.
If you describe someone as an iconoclast, you mean that they often criticize beliefs and things that are generally accepted by society. someone who attacks established ideas and customs (iconoclastes, from eikon ( ICON) + klan )
One who destroys religious images or icons, especially an opponent of the Orthodox Church in the 8th and 9th centuries, or a Puritan during the Reformation