Quirrell knew he wanted a dragon egg and used it to manipulate Hagrid into telling him how to get around Fluffy.
Hagrid later becomes friends with Ron and Hermione as well. Later in the book, a hooded person (Quirinus Quirrell in disguise) gives him a dragon egg to elicit details about Fluffy.
In the Sorcerer's Stone, Voldemort, acting through Quirrell, gets Hagrid drunk and "loses" a dragon's egg to him in order to find out how to get past Fluffy.
Hidden under a cloak, Quirrell met Hagrid in the Hog's Head. The two drank and played a game of cards; Quirrell purposely lost in order to give Hagrid a dragon's egg. During their conversation, Hagrid let slip the secret of getting past Fluffy.
In Harry Potter's first year at Hogwarts, Hagrid won a dragon's egg off a stranger he met down at the Hog's Head pub in Hogsmeade. The stranger was wearing a cloak so that no one could see his identity, but it is later learned it was Professor Quirrell.
He won the dragon egg by playing a game of cards. Quirrell knew he wanted a dragon egg and used it to manipulate Hagrid into telling him how to get around Fluffy. Hagrid then went to the Library to borrow books on caring for a dragon.
Hagrid knows Voldemort's name, identity and past.
In fact, at the beginning of the series, barely anyone but Dumbledore and Hagrid knew that Voldemort was the charming, successful Tom Marvolo Riddle.
It should be noted that despite his fear of Voldemort and that he was not a Death Eater, Quirrell was one of Voldemort's only followers who referred to him by name, the others being Barty Crouch Jr. and Peter Pettigrew.
Voldemort's desire to beat death and become immortal was also why he and Quirrell ended up slaying innocent unicorns. Drinking the blood of a unicorn would keep someone alive – even if they were an inch from death.
ems Harry burnt Quirrell's face when he touched it. That worked because when Lily was killed, she had tried to protect Harry and therefore gave him the most powerful weapon against Voldemort; Love.
Quirrell's body manifests burns and blisters during his fight with Harry due to the protective power Harry's mother left in his skin when she died for him.
Quirinus Quirrell served as a temporary Horcrux when Voldemort's soul possessed his body in 1991. However, the piece of the soul survived Quirrell's demise, and was destroyed six years later when Voldemort was killed.
As an unqualified wizard who didn't finish his education, Hagrid was not technically allowed to perform magic.
Dragons are illegal, but Hagrid wishes to raise one anyway. Later, Harry gets a note saying the dragon egg is hatching. Excitedly, he and his friends rush over to Hagrid's to watch the dragon's birth. The children realize that Hagrid must get rid of this dragon, which Hagrid names Norbert, before he grows too big.
Grawp is the Giant half-brother of Rubeus Hagrid. His mother was the giant Fridwulfa.
In Harry Potter and the Philosopher's Stone, Hagrid tells Harry that he 'don' like cats' because they make him sneeze, which is why he chose to buy Harry an owl, Hedwig, for his birthday present.
She accuses them of concocting the whole dragon story to lure Malfoy out of bed and get him into trouble. As punishment, McGonagall deducts fifty points from Gryffindor for each of the three wrongdoers.
Snape is a sinister and malicious teacher who makes frequent snide and disparaging remarks at Harry's expense. He quickly becomes the primary antagonist of the book, as Harry suspects him of plotting to steal the Philosopher's Stone, and of attempting to kill him.
Voldemort feared Albus because he understood Tom better than anyone and because he was the only person in the world who could have killed him in a fair, 1v1 duel. Because Dumbledore could understand Voldemort. He could tell what he was up to. This kind of brings up another good discussion.
Quirrell didn't use the Killing Curse on Harry, because Voldemort said “use the boy” to get the Sorcerer's stone from the Mirror of Erised. If Quirrell had killed Harry right away, he would have lost the chance to get the stone.
The villain in the "Fantastic Beasts" movies is Gellert Grindelwald, who played a small but crucial role in the "Harry Potter" series. He was the wizarding world's biggest villain before Voldemort came along. In his youth, Grindelwald was friends with Albus Dumbledore, who was in love with him.
Snape did not know Quirrell was hosting Lord Voldemort during the events of Book 1.
After graduating from Hogwarts in 1945, Tom Riddle goes down a dark path and becomes Lord Voldemort after he vanishes for a little while. When he comes back, he decides that his name should be Lord Voldemort.
Dumbledore knew Harry and Ron were under the invisibility cloak at Hagrid's hut in Harry Potter and the Chamber of Secrets, as his eyes flickered in their direction.