Ah, nice. I was worried they were gonna turn this into the referee growing a grudge against her and trying to do something, only for it to pathetically come crashing down. It's a very tired and dumb cliche, and I'm glad they nipped it in the bud by basically threatening him with repercussions, beforehand—something that usual antagonists in this position seem to forget are a thing.
The other student on the other hand…
Dunno. He might become docile, or he might fall into some dark power and try to get revenge like some loon. Those seem like the obvious templates.
He could also become some loyal follower of hers or something lol.