Hagrid

Hagrid is the topic of what you are reading. Rubeus Hagrid is the groundskeeper at Hogwarts. He got expelled due to Tom Marvalo Riddle a.k.a. Voldemort accusing him of opening the chamber of secrets. Hagrid is a half-giant and loves creatures

On Pottermore Hagrid is a Gryffindor but he could fit into Hufflepuff