Equality 7-2521 is the protagonist of the novella "Anthem" by Ayn Rand. He lives in a dystopian society that emphasizes collectivism, where individual identity is suppressed, and people are assigned numbers instead of names. Throughout the story, Equality 7-2521 struggles against the oppressive rules of his society, ultimately seeking personal freedom and self-discovery. His journey leads him to embrace the concept of individuality, which is forbidden in his world, and he ultimately rejects the collectivist ideals that govern his life.