Definition: In Harry Potter and the Philosopher's Stone, Hermione Granger is referred to as Slughorn. She was a teacher at Hogwarts School of Witchcraft and Wizardry who was known for her strict and stern attitude towards students, particularly those from Slytherin House. Slughorn had a reputation for being an authority figure in the school, often seen with his wand resting on his desk or on his shoulder, as he was considered to be the headmaster's closest advisor. Slughorn