Harry Crewe is the main character in the fantasy novel "The Blue Sword" by Robin McKinley. She is a young woman who finds herself in a foreign land called Damar, where she discovers her unique abilities and potential. Throughout the story, Harry undergoes significant personal growth as she learns to navigate the challenges of her new environment. She becomes a skilled warrior and forms strong bonds with the local people, particularly with the Hillfolk, who play a crucial role in her journey.