Collectivist

[Magaret]

Someone who believes the group to be superior to any one individual. Blindly following a [mantra] without much thought and at the [cost] of your own personal [reality].

[Donald Trump]

having a political system based on the principle of collectivism , or relating to the theory of collectivism :

[Raeanne Dimick]

Relating to the practice or principle of giving a group priority over each individual in it.