Someone having big ego and some kind of hierarchy is present in all systems. Such are humans

You just need to get it to work for you - narcissists are easily taken advantage of. Be crafty, do not give up to learned helplessness and this will turn into an opportunity

Give them what they want and stab them in the back later when your position is solid

You can hate someone but don’t let it make you miserable

It’s all part of the test I guess. No need to get angry, it’s just part of the game and we are usually not the ones setting up the rules.
Not until you succeed at the game that is