Archetype
The tyrant
Also known as: the despot, big brother figure
The oppressive ruler or authority whose absolute power the story's conflict resists or exposes.
The tyrant in fiction: 3 works
The Benefactor rules the One State with absolute, mathematically justified authority.
Big Brother is the emblem of absolute, faceless tyrannical authority.
The Republic of Gilead's absolute religious authority governs every aspect of life.