public servant

noun2

1. •
   A person employed by the government.

   • Today, Fraser says of Tange: ‘He was one of the best public servants Australia has ever had’. — 2010
2. •
   (historical) Someone who labours for the public good; a convict assigned to work on public projects.

   • For special reasons, the use of convicts as public servants warrants separate attention. — 1994