[["A professor at Hogwarts, Lupin was an excellent defense against the dark arts teacher, and taught Harry Potter to cast his patronus to protect himself from dementors. He was a true friend to Harry and Harry\u2019s, father James.", 86.0], ["Professor Remus Lupin is a character in J. K. Rowling's Harry Potter series. He first appears in the third book, Harry Potter and the Prisoner of Azkaban.", 74.0], ["Professor Remus Lupin is the defence against dark arts teacher in the third Harry Potter book, The Prisoner of Azkaban. It's later revealed that Remus Lupin was a close friend of Harry Potter's dad James Potter.", 37.0]]
who is professor remus lupin
literature