Egalitarianism

[Donald Trump]

Asserts that people should have the same rights and opportunities regardless of race, gender, sexual orientation, [socioeconomic] status, etc. The true [principle] of [equality].

[Luis Fok]

the belief in or practising of egalitarian principles (= the idea that all people should have the same rights and opportunities) :

[Magaret]

The doctrine that all people are equal and deserve equal rights and opportunities.