The persona non grata file is a very select club. They are not numerous, unless one counts in the provincials. In that case, there are too many to name.
The croxhapox persona non grata as a category shares the attribute of being unable to communicate transparantly.
The temporary collaborator who only hopes to grab a part of the not even sumptuous financial support. The ego of a nitwit, too small to be dumped as a sigarette butt in an ashtray, too small even to be able to enjoy it during a blink of an eye. Typically persona non grata, typically egotistical, typically only concerned about themselves. They are a waste.