Hi Ricky, I'm suggesting that *some* american instructors might not be as aware of some of the "rules". I'm not an instructor, but I know that there's quite a bit I don't know, and probably a lot I don't know I don't know...
I guess my point was that there is a Japanese instructor who doesn't seem to lean on those titles/terms, and who does host people, and yet there aren't issues with who does what. People just step up...and if some need prodding, it's usually provided by one of the "most senior" students or the instructor himself.
Ron (prodding always gently applied, of course