Answer:

raider

Answer	Crossword Clue
RAIDER	Las Vegas player
RAIDER	Prohibition enforcer
RAIDER	Oakland footballer

RAIDER	Ruthless Wall Street sort
RAIDER	Oakland N.F.L.'er
RAIDER	Ruthless corporate type
RAIDER	Speakeasy scourge
RAIDER	Notorious investor
RAIDER	Corporate shark
RAIDER	Oakland athlete
RAIDER	Winning Super Bowl XVIII player

RAIDER	Surreptitious stock buyer
RAIDER	Oakland gridder
RAIDER	Wall Street villain
RAIDER	Commando
RAIDER	Bust maker
RAIDER	Memorial Coliseum player