Hermione (along with most of the female students at Hogwarts) develops a crush on handsome new  Defence Against the Dark Arts  teacher  Gilderoy Lockhart  in  Harry Potter and the Chamber of Secrets . During a morning confrontation between the Gryffindor and Slytherin  Quidditch  teams, a brawl nearly ensues after  Draco Malfoy  calls her a  " Mudblood ,"  an