Hagrid was a half-giant wizard, son of Mr. Hagrid and the giantess Fridwulfa, and elder half-brother of the giant Grawp. Rubeus Hagrid is introduced in the opening chapter of Harry Potter and the Philosopher's Stone. Following the death of James and Lily Potter, Dumbledore entrusts Hagrid with rescuing the infant Harry from his parents' house after they have been murdered by Lord Voldemort and he plays his role till the last part of the series. in Harry Potter and the Chamber of Secrets. It is shown that Hagrid was a student at Hogwarts at the same time as Tom Marvolo Riddle, the wizard who later became Voldemort but later on truth revealed that Tom Riddle's diary was fake, and Hagrid is freed from prison.Hagrid is assigned to teach the subject in Harry Potter and the Prisoner of Azkaban. During his first class, in which he introduces ne of the beasts, Buckbeak, attacks Draco Malfoy after the boy insults it. Although Dumbledore manages to prove that Hagrid is innocent, the Ministry of Magic sentences Buckbeak to death.Hagrid's classes become extremely boring, and Harry, Ron, and Hermione spend some time looking information that would help Hagrid in Buckbeak's defense. Near the end of the book Hermione Granger and Harry Potter use a time-turner to save Buckbeak from death and Sirius Black from the Dementor's Kiss. Hagrid is part of the Order of the Phoenix delegation assigned to remove Harry from the Dursleys' home to the magic-protected Burrow. Hagrid takes Harry on the flying motorcycle he inherited from Sirius but the plan goes awry when the Order delegation is ambushed by Death Eaters.At the end Nineteen years after Voldemort's defeat, Hagrid is still at Hogwarts,