To be sure, Annie is a part-time smuggler and full-time freebooter.
From the time.com
A filibuster, or freebooter, is someone who engages in an unauthorized military expedition into a foreign country to foment or support a revolution.
From the en.wikipedia.org
They were unsuccessful, but Governor of VirginiaAlexander Spotswood was also concerned that the supposedly retired freebooter and his crew were living in nearby North Carolina.
From the en.wikipedia.org
More examples
Plunderer: someone who takes spoils or plunder (as in war)
Freebooter (Brandon Cross) is a fictional character who appeared in the Marvel Comics' series A-Next.
An adventurer who pillages, plunders or wages ad-hoc war on other nations
(Freebooters) Orks who have no affiliation with Gorkers or Morkers, preferring instead to live as pirates and mercenaries.
From the Dutch for 'free' and 'plunder', reference to a pirate.
Corsair vessel of Sampetra with red pennants and three masts. Once Captained by Barranca. Taken over by Redwallers and renamed the Seaking. (PL)
British term for irregular soldiers operating without government authority.
TFD: A person who pillages and plunders, especially a pirate.