What do society's pariahs have to do to become angels in heaven in i know why the caged bird sings?

In "I Know Why the Caged Bird Sings," the pariahs of society must strive to live righteous and moral lives in order to become angels in heaven. This includes overcoming personal struggles, seeking forgiveness, and showing kindness and compassion towards others. Ultimately, it is about redemption and transformation through individual actions and choices.