Masozi has been quietly confused about this interaction and was planning to ask Wei Wuxian about it later.
...In general there are lots of things he needs? He doesn't have the slightest idea why this random student is asking, though, or what kinds of things he has on offer, or what he would want in exchange.
"I don't really have anything to trade," he explains. "Except lookout, I guess, my affinity is finding mals."
Hopefully this wasn't completely the wrong thing to say? He tries to catch Lan Xichen's eye.