(i) A person who advances their position or status by unthinkingly conforming with prevailing opinion.
(ii) A contemporary pagan (as opposed to pre-Christian era pagans)
(iii) A member of a clandestine political organisation
(iv) A lover of meetings and official diktats
(v) A left-wing freemason
For example: The pleubine sat and delivered the latest EU ruling on Human Rights Law.
From: L pl (pleb) eu: EU (undemocratic supranational power)