Oil Pirates, Nigeria

Some argue that the proper term for "terrorist" or "unlawful combatant" should be "pirate".
Etymology
The English "pirate" is derived from the Latin term pirata and that from Greek "πειρατής" (peiratēs), "brigand", in turn from "πειράομαι" (peiráomai), "attempt", from "πεῖρα" (peîra), "attempt, experience". The word is also cognate to peril.