sniper
//ˈsnaɪ.pər//
Noun
sniperSingular
snipersPlural
1
A person who shoots at others from a concealed position, especially a skilled military marksman.
The sniper was hidden on the rooftop, waiting for the target.
2
A person who makes critical or malicious attacks on someone, especially from a position of anonymity.
Online snipers hide behind fake accounts to attack others.