This might be the guy Sirius mentioned to her earlier. Not that she intends to bring that up, per his request. Still, they look like they're around the same age, and Remus mentioned 'spells' and Sirius said he was a wizard...

Still, the exhaustion creeping into his face and body language does tug on the heartstrings. Her First Change had been awful, the prospect of losing control every time she shifted...

"Hey, I'm going to be forward and American about this - do you want a hug?"

He looks like he needs one.