M.D. : short for medic, means healer in the field of battle particularly

Puma : name of a strong big beast of prey. They are fast and stealthy.

Slingshot :a forked stick, to which an elastic strap (or a pair of elastic bands connected by a small sling) is fastened to the two prongs, typically used for shooting small stones; a catapult.

Stalker (you) : a person who quietly and slowly follows an animal in order to kill or catch it