What is jemmy most afraid the whipping boy?

In "The Whipping Boy" by Sid Fleischman, Jemmy, the whipping boy, is most afraid of being punished for the prince's misdeeds. He fears the physical pain of the whippings he receives in place of the spoiled prince. Additionally, Jemmy is anxious about the potential for losing his freedom and being unable to escape his role as the prince's scapegoat. This fear drives much of his character development throughout the story.