Voldemort's surprise at Wizet had turned into hatred for Wizet—and hatred for Dumbledore.
When he had possessed Quirinus Quirrell, he had learned through publications such as the Daily Prophet about some of Wizet's past and why Wizet had entered Hogwarts.
Wizet had actually gone through experiences similar to his own. The difference was that he had grown up in an orphanage, while Wizet had grown up under the torment of dark wizards;
yet after he and Wizet entered Hogwarts, Dumbledore had treated them in completely different ways.
After he entered Hogwarts, Dumbledore's attitude toward him had been one of ever-present wariness;
no matter how outstanding his grades were, no matter how much praise and esteem he received from the other professors, Dumbledore had always kept his distance from him;
Dumbledore had always scrutinized him with suspicious eyes, as though any spell he cast had to be dark magic, and any friends he gathered meant he was plotting something evil;
even during that "Heir of Slytherin incident," when they had clearly caught the culprit, Rubeus Hagrid, and Armando Dippet had clearly decided not to close the school, Dumbledore had still refused to let him go;
when he had completed his studies and wished to join Hogwarts as a professor, Dumbledore, now the headmaster, had still firmly opposed it and refused to let him become the Defense Against the Dark Arts professor;
Even now, he remembered the matter vividly. Dumbledore had actually brought up what happened when he first enrolled, mentioning how he had set a wardrobe on fire to frighten him. Utterly detestable!
Yet Dumbledore had treated Wizet differently—with tolerance... tolerance everywhere;
first, he had tolerated Wizet's identity as an Obscurial. Although an Obscurus was extremely unstable and could easily injure other students, Dumbledore had still overruled all opposition and