terrorism

noun3

1. •
   The use of unlawful violence against people or property to achieve political objectives.
2. •
   The use of intimidation or bullying tactics.

   • We at the GCN Prisoner Project often get letters from prisoners who are being harassed (above and beyond the usual terrorism of the prison business) because of their being queer. — 1984
3. •
   (historical) The system of fear and intimidation put into place during the Reign of Terror in Revolutionary France around 1793-94.