What is the main conflict in Taran Wanderer by Lloyd Alexander?

Taran Wanderer by Lloyd Alexander is the fourth installment in a series of books about the fairytale land of Prydain. Taran is an assistant pig-keeper who is in love with a princess. For this reason, Taran would like to find the parents who abandoned him as a child in order to learn if he is of noble birth in order to make him worthy to marry his love. However, Taran's adventure takes him in unexpected directions, causing him to learn more about himself than his parents ever could have done. Taran Wanderer is a touching novel of self-discovery that will entertain and enlighten readers of all ages.