What is the main conflict in The Golden Fool by Robin Hobb?

Golden Fool by Robin Hobb centers on Tom Badgerlock, a servant to the royals in Buckkeep Castle. Tom is in disguise; he is actually FitzChivalry Farseer, a royal who is heir to the Farseer throne. Tom has Wit and Skill, two magical powers, and uses them to protect Prince Dutiful and his family.