Tech consultant, 32
For me it would be cheating me out of a great apartment, like if I finally found one and somebody came in with more money, then I would rat them out.
Web designer, 33
If they're one of those people who are always complaining about Japan, I'd be like, "Narita Airport's that way." It'd be helping them.
A guy was in a bar and he reached over and grabbed our friend's breast. He should be ratted out.
NPO worker, 35
I was working in a bar and there was this band of foreigners who came in and started ordering drinks and abusing the staff. At the end of the meal they tried to do a runner.
If he wears too much paisley, and he's clearly on the run from the fashion police, that's the time that you just gotta put your foot down.
Saving a friend of yours from a woman, if she was a nasty piece of work. Then I would dob them in to the Immigration guys and try to have them sent home.