When Horace says that he was princess Cassandra's appointed champion in the rangers apprentice book 6 what does that mean?

In "Ranger's Apprentice: Book 6," when Horace refers to being Princess Cassandra's appointed champion, it means he has been designated as her protector and champion in matters of combat or challenges. This role signifies a bond of loyalty and duty, as he is expected to defend her honor and support her in any conflicts or competitions. Horace's position also highlights his status as a skilled warrior and his commitment to serving the royal family.