egalitarian

adj

1. Characterized by social equality and equal rights for all people.

   “Ladies of yesteryear toured world capitals in sedate linen dresses, but such priggish frumpery hardly presents Americans as the carefree, egalitarian, and sensuous people the viewers of dubbed Baywatch episodes have come to expect.”

noun

1. A person who accepts or promotes social equality and equal rights for all people.

   “The Greeks have been variously represented: as aristocrats or democrats, as unravished brides of quietness or sexual misfits in need of a therapist's couch, as narcissists or altruists, as protoracists or open-minded egalitarians.”