Postcolonial studies have made Caliban a symbol of every colonized and oppressed people. Indeed, the fact that Caliban is a native to the island, while Prospero is actually a newcomer who enslaves him and forces him to be his servant is use as a parallel for the situation of colonized peoples in African, American and Asian colonies.
A good example of such interpretation is the play A tempest, by black French author Aimé Cesaire. In his version of the Tempest, Caliban is the black slave of a white master whose name is Prospero.
The connection that can be made between european treatment of colonial native populations and the character of Caliban is The European took away the native population's freedom and Prospero, one of the character in Caliban took away Caliban's freedom
