What's the point of covering up their profile name? They're posting on a public (or private, as is rhetorically convenient) forum and should be afforded no more anonymity than they afford themselves.

Besides, at this point it should be clear that our only two choices are to take the high road to oblivion or the low road to a fighting chance of survival. Do you think this person would hesitate for a moment to post your information knowing that you would get fired, ostracized or worse?