I believe it's Raffen Shiv, a famous pirate gang in CP lore.
https://datafortress2020.com/dust/raffen.html
@geocp @MauricioMM
I’m in urgent need to read all of the sourcebooks because I didn’t know these Raffen Shiv were a thing in the original source material. Thank you very much! Man, I love Cyberpunk’s lore!