Eh, I lend gear out to friends all the time, so why not strangers, haha. TTAC3 is very close quarters, so it's not like you can run off and drop a gun in a lake or something.
Besides, I've got a gun too. If you drop my expensive gear on the ground, I'll shoot you in the ass when you bend over to pick it up.
But seriously, I definitely wouldn't have gotten so much out of airsoft myself, if other people weren't helpful and generous towards me when I first started. It's just paying it forward.