Not a professor, but a student? While they had thought that's what Byleth would be, originally, Rhea had surprised all of them - including Byleth, he's fairly certain - by asking him to teach instead. Jeralt took up his post once more as captain of the Knights of Seiros. Although wonderful at his job, the man always seemed to be begrudgingly going along with things.

"Shez..." He echoes, the name unfamiliar on his tongue. "No, I can't say that I know anyone by that name." He also likes to think he would have remembered a mercenary with purple hair. "Strange. It seems that's the point of divergence then; you met Shez that evening while I met Byleth. I'll have to see what he thinks about it all. The female Byleth, too, though she goes by a different name now to differentiate them."