But in time, he began to question certain contradictions he saw in the world. The ruling classes and the subjected masses... He came to reject a world in which a person's place was determined by his birth.
~ Roger Bacon
Against overwhelming odds, he achieved his dream of equality for all South Africans.
~ A historian explaining what Nelson Mandela did for his people.

The opposite (and often arch-enemy) of Xenophobes, Supremacists, and Genocidal Villains, these are heroes and heroines who stand up to protect their (or another person's) culture from persecution and who fight for equal rights among human beings (and in some media this includes other sentient beings such as aliens, elves, mutants, and so forth). Egalitarian heroes highly object to discrimination and will usually be seen trying to break down racial, religious or social barriers.