The non-black subsitute for nigga, often used in similar contexts but also shares other definitions just like nigga.
Unlike said word it's variations are not offensive in most contexts like Feller and Fellow.
Trey: Who are the niggas in Paris?
John: The fellas? Danny, Bill, and Caden?
fellas mos definitely derives from the Greek word Φιλος(Fel(l)os)=friend,i dont know how it became british slang but this is what it mos definitely is.
you know how the word fellas is used
A light skinned short person, with short curly hair, a cute smile
Taylor is cool they're one of the fellas!
A Fucking Bomb Group Of Dudes With God Like Abilities
Like whoa dude. The Fellas are Charlile Chaplin's Biggest Fear.