personality cult

worship of a personality, excessive awe and adoration of a person (usually famous, i.e actor, politician, or spiritual leader)

A cult of personality or personality cult arises when a country's leader uses mass media to create a larger-than-life public image through unquestioning flattery and praise. Cults of personality are often found in dictatorships but some can be found in some democracies as well.A cult of personality is similar to general hero worship in that it is specifically built around political leaders. However, the term cult of personality is often applied by analogy to refer to adulation of non-political leaders; an argument could easily be made, however, that the only notable differences to be found between the terms "hero worship," "cult of personality," or even, more simply, excessive admiration are largely in the context of the person making the accusation.
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personality cult
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