Prospero and Caliban are alternately and perhaps occasionally all together: master and servant, tutor and pupil, master and slave, father and adopted son. Prospero terrorizes and belittles Caliban. Caliban's short, snappy responses and hateful tone reveal the bitterness he feels at leading a servile life, his rudeness making him seem like an unworthy and despicable slave. Caliban is frustrated from the beginning by the oppressive attitude of his dictator, Prospero. The hostility between Caliban and Prospero causes the breakdown of their initial loving father-son relationship. Prospero may have failed to raise Caliban because the education he offered him was intended to control him, not to educate or liberate him. Caliban becomes a more sympathetic character in the second half of the play. His weakness is made more evident, and the ease with which he allows himself to be controlled shows him to be a victim of his circumstances, possessing a nature weakened by submission and