Though Hagrid's wand was snapped and he was expelled, he was trained as gamekeeper of Hogwarts and allowed to live on the school grounds at the request of Albus Dumbledore. In 1991, Hagrid was given the task of reintroducing Harry Potter to the wizarding world.ogwarts students. Apart from Harry, Ron and Hermione and the other Weasley children (excluding Percy), Hagrid seemed to have a good relationship with Lee Jordan who was a friend of Fred and George Weasley as he once shook Hagrid's hand, along with Fred and George, when he returned after his mission to find the giants.