Administrative official (10)
'administrative official' is the definition.
(synonyms)
This is all the clue.
(Other definitions for bureaucrat that I've seen before include "Government official" , "Mandarin" , "Administrator" .)
(Other definitions for registrar that I've seen before include "Keeper of official records - hospital doctor" , "Official recording births, deaths and marriages" , "certifies births and deaths" , "Wedding recorder" , "University administrator -- hospital doctor" .)