peon

noun3

1. •
   A lowly person; a peasant or serf; a labourer who is obliged to do menial work.
2. •
   (figurative) A person of low rank or importance.

   • He is well dressed in cheap clothing. Like an office peon whose wife works in a laundry. — 2011
3. •
   (India, historical) A messenger, foot soldier, or native policeman.