Orwellian overseer (3,7)
I believe the answer is:
big brother
'orwellian overseer' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for big brother that I've seen before include "Exerciser of total control over people's lives" , "One keeping watch" , "Orwellian dictator - TV show" , "TV programme" , "dictatorial controller" .)