raider

Definitions

• One who engages in a raid; a plunderer.
• (business) A person who takes or attempts to take control of a firm against the will of current management by purchasing a controlling interest of stock and acquiring proxies.
• (military) A special forces operative; a commando.
• (military) A warship which is light, maneuverable, and fast-moving.
• (informal) A person who uncovers evidence of improper behavior within governmental or private organizations.