A person who specializes in or frequently uses a pistol, often in a context relating to gunfighting or outlaw behavior.

पिस्तौल चलाने वाला

English Usage: The legendary pistoleer drew his weapon with unmatched speed.

Hindi Usage: प्रसिद्ध पिस्तौल चलाने वाले ने अपनी बंदूक अद्वितीय गति से निकाली।