Their only.....

[Skahtboi]

You said:

Originally Posted by cpa

When an administrator is NOT present, or is unavailable, I am not going to bury my head in the sand because "it ain't my job".

And Mike offered a way to do it properly. But this following statement you made implies that even if an adminstrator is present, you still see it as your job to police the stands:

Originally Posted by cpa

I am not looking for it, I am not listening for it or seeking it out in any way -- but I can forcefully deal with it in a polite, most of the time discreet way when it happens -- by myself if practical, but by engaging administration if need be

Your first line of action if there is administration available, should be to alert them, and then turn your focus back to your duties.