Terrorism: criminal or illegal acts of violence at randomly chosen targets, in an effort to raise fear.
Disambiguation: lawyer, tourist [see George W Bush: pronunciation of 'terrorist'],
Usage:
"I knew he was a terrorist, he's a Muslim/Irish/Cat Lover/Putin Supporter".
"I knew David Cameron was a lawyer from the moment he shook my hand and I saw 2 of my fingers were missing".
See also: ISIS, Putin, Anthony Blair. Arafat, HAMAS, Al Queda