If you describe someone as an iconoclast, you mean that they often criticize beliefs and things that are generally accepted by society. 反社会习俗者; 抨击社会传统观念者
noun [专属名词]偶像破坏者;提倡打破旧习的人
Fear is a major impediment to thinking like an iconoclast and stops the average person in his tracks. 恐惧是反传统式思考中的一个主要障碍,它让普通人止步不前。
icon(圣像) + o + clas(打破) + t → 打破圣像的人 → 攻击传统观念或风俗的人