Prince Caspian (primary character) is a young man described as being about the same age as Peter when Peter and the others are called back to Narnia. Prince Caspian's life is followed to some extent from the time he was young. This gives a background in Prince Caspian's learning and the things that lead him to side with the natives of Narnia. Prince Caspian's life is in danger but it becomes clear that Prince Caspian believes in the old ways of Narnia, despite the way that the rest of his family has treated them.
".....he had not many hours to spare, for now his education was beginning in earnest. He learned sword-fighting and riding, swimming and diving, how to shoot with the bow and play on the recorder and the theorbo, how to hunt the stag and cut him up when he was dead, besides Cosmography, Rhetoric, Heraldry, Versification, and of course History, with a little Law, Physic, Alchemy, and Astronomy.
Cornelius (secondary character) is the tutor of Prince Caspian and is a half dwarf. Cornelius is the one that gets the prince out of the castle when King Miraz begins to plot to kill Prince Caspian in order to secure the throne for his own son.