spoiler (character, not plot), re: sci-fi book, sort of uspol
The authoritarian in the story is incredibly egocentric, and sees themselves as the necessary saviour of the world, the one who 'keeps peace', and goes to great length and cruelties as a result, constantly blurring the lines in their internal rationalizing between 'serving Earth' and serving their own personal interests and - most crucially - their own sense of being 'attacked'