As well as saving all the lives of the 'Mudbloods' in Harry Potter and the Chamber of Secrets he saved the life of Ginny, Ron's younger sister and the youngest in the Weasley Family.
Ginny Weasley, Ron's little sister, had a crush on Harry ever since The Chamber of Secrets. When Ginny told Malfoy to "leave [Harry] alone," in the Flourish and Blotts bookshop, Malfoy said, "Oh...