Duality Between Nature and Society in The Tempest One of the essential themes of The Tempest is the duality between nature and society. This is made evident through the character of Caliban: the disfigured fish-like creature that inhabits the island upon which the play takes place. Caliban lacks civility because he was born on the island deprived of any social or spiritual morality other than nature and instinct. He is literally man untamed. Caliban is not monstrous simply