shooter
n. countablen. a person who is very loyal to a friend or leader and is willing to defend them no matter what. In modern slang, it describes someone who always has your back.
n. a loyal associate or subordinate prepared to defend a person's interests or reputation. In contemporary African American Vernacular English and internet slang, it denotes a steadfast ally.
She is my real shooter and always defends me.
When the celebrity was criticized online, his shooters immediately flooded the comments to support him.
The loyalty of a true shooter transcends simple friendship, manifesting as a fierce and public commitment to protecting another person's social standing against any perceived threat.
From Middle English schoter, schuter, schotter, scheter, schetare, scheotere, from Old English sċēotere (“shooter”), equivalent to shoot + -er. Compare Dutch schieter, schutter (“shooter”), German Schießer (“shooter”), Swedish skjutare, West Frisian sjitter (“shooter”).