privateer

(historical) A privately owned warship that acted under a letter of marque to attack enemy merchant ships and take possession of their cargo.

(historical) An officer or any other member of the crew of such a ship; a government-sanctioned pirate.

A private individual entrant into a race or competition who does not have the backing of a large, professional team.

A racing team that is not a subsidiary of a large conglomerate, or automotive or vehicle manufacturer.

An advocate or beneficiary of privatization of a government service or activity.

To function under official sanction permitting attacks on enemy shipping and seizing ship and cargo; to engage in government-sponsored piracy.

To advocate or benefit from privatization of government services.