filibustero |
privateer |
As nouns the difference between filibustero and privateer
is that
filibustero is pirate, plunderer, freebooter while
privateer is (nautical) a privately owned warship that had official sanction to attack enemy ships and take possession of their cargo.
As a verb privateer is
to function under official sanction permitting attacks on enemy shipping and seizing ship and cargo; to engage in government-sponsored piracy.