Prospero wants revenge because Antonio and Alonso usurped him and sent him to the island--but he more forgives than revenges against them. Look at the end of the ye elves speech: he forgives Antonio. What they did was horrible, and anyone would want redemption for it. He really just wants his dukedom back, and that is all he takes; he wants to forgive them and get it.
Because Prospero treated Caliban as a slave.
Prospero used to be a Duke but Alonzo and Antonio overthrew him and set him adrift in a leaky boat.
Because the island that they all live on was previously Caliban's, until Prospero and his daughter Miranda came along and made Caliban their servant.
Prospero taught Caliban his 'language' and how to curse.
Prospero taught caliban how to speak and they were good friends. Caliban ended up tring to rape Miranda, Prospero's daughter. Prospero then makes him a slave.
It shows that Caliban is intelligent and well spoken.
A conversation between Prospero and Caliban shares the details of how Caliban came to be his servant.
"Prospero and Caliban"
Prospero taught Caliban his 'language' and how to curse.
Caliban and Prospero hate each other because Caliban tried to sexually assault Miranda. Caliban has been taught how to speak and Caliban insulted his learned gift by just using it to insult Prospero and Miranda.
Prospero taught caliban how to speak and they were good friends. Caliban ended up tring to rape Miranda, Prospero's daughter. Prospero then makes him a slave.
Prospero and Ariel send spirits disguised as a pack of dogs to chase Caliban, Stephano, and Trinculo out of Prospero's cell.
It shows that Caliban is intelligent and well spoken.
Prospero and Ariel send spirits disguised as a pack of dogs to chase Caliban, Stephano, and Trinculo out of Prospero's cell.
Caliban
A conversation between Prospero and Caliban shares the details of how Caliban came to be his servant.
"Prospero and Caliban"
Not Ariel as previously suggested but Caliban.
to attack prospero while he is asleep
Prospero uses Ariel for his magical abilities, which are a part of the island's resources Prospero arrives on the island and kills Sycorax, a witch who opposes him.