Hasibe is a witch, and has been identifying that way since arrival--but there's a trace of dishonesty there, too, since her type of witch is markedly not human, and it suits her to pretend that she is human, presently. The differences between types of magic intrigues her, and she can sense that what Hermione is doing is nothing like what she might for accomplishing the same goal.

"Nor in mine," Hasi says, with a sympathetic note to her voice. It's a little wry, too. "But, you know, I suppose that when they have university courses on thaumaturgy, it's a little safer for the magically inclined."