Originally Posted by
Aborted
A terrorist is one who systematically uses terror, often violence, as a means of achieving a goal. Terror attacks are intended to create fear and are perpetrated for religious, political, or ideological goals. Terrorists themselves are also an overwhelming majority of the time part of a larger group, such as a terrorist regime, or certain religion, and never attack for no reason.
Killing people for no reason: Crime
Shouting Allahu Akbar while wearing an American flag on their ankle: Terrorism