One of Della's friends? Tidus assumes so, with the way he slips into helping them, not saying much of anything; just there, or trying to be as less there as possible.

Which Tidus might comply with on some days, but after a while, as more people arrive, Tidus approaches him when he has a tray of emptied cocoa cups, a smile on his face to greet him, tone jovial.

"Hey, let me take that. Why don't you sit down a while and let me get something for you? Do you eat? Drink? I've gotta get a few anyway."