Khan knew that same pressure. While he was known to not like some students, most being mudbloods, he had never openly shared his ideals with other teachers in the school. That could only lead to a downfall. There were like minds out there, but everything had to be said behind closed doors and in hushed whispers lest they be over heard.
"Very good answer, Miss Snow. If I could, I would award you some points for that. Keep our house on top, even if we have weeds among the roses." Had he had his way there would be several students that would be removed from his house. "One day I would like to see these skills, and see how well they match up to my own." He didn't have have the luxury of having someone to practice with. It was usually all on his own.
"Yes, you may pour me a drink." He did not normally take wine, he preferred harder liquors, but when in Rome.