ostracism

noun3

1. •
   Temporary exclusion from a community or society.
2. •
   (figurative) Banishment by some general consent.
3. •
   (historical) In ancient Athens (and some other cities), the temporary banishment by popular vote of a citizen considered dangerous to the state.

   • Witnesse the Ostracisme amongst the Athenians, and the Petalisme among the Siracusans. — 1603