A person who deviates from official doctrine or established norms, particularly in political or ideological contexts.
From deviationism + -ist suffix. The term developed in Soviet political language to describe ideological opponents.
Calling someone a 'deviationist' was a serious accusation in Communist regimes—it didn't describe what they actually did, but marked them as ideologically unreliable. History shows how a single label can seal someone's fate.
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