Sniper

noun

1. A person using long-range small arms for precise attacks from a concealed position.
2. Any attacker using a non-contact weapon against a specific target from a concealed position.
3. One who shoots from a concealed position.
4. One who criticizes.
5. (ice hockey slang) A player who specializes in scoring goals.

   "Alexander Ovechkin is often regarded as the greatest sniper of his generation."