desperado

noun4

1. •
   A bold outlaw, especially one from southern portions of the Wild West.

   • Surely this was the face of a desperado. — 1918
2. •
   (informal) A person in desperate circumstances or who is at the point of desperation, such as a down-and-outer, an addict, etc.

   • The shortstops and desperados were not permitted to play in this marker crap game. — 1981
3. •
   (informal) A person who is desperately in love or is desperate for a romantic or sexual relationship.
4. •
   A piece that seems determined to give itself up, typically to bring about stalemate or perpetual check.