same one or rivals would be great, either or. they run mostly in brooklyn but i imagine there are territories and areas each have claimed? but he was recruited as a teen after some bad shit went down with his parents and he owes his life to the syndicate and generally is loyal to them first and foremost. he's got adoptive muscle memory so his powers are very physical and he's an elite fighter to say the least. the syndicate dabbles in everything from theft, tracking people/expensive art/etc down, kidnapping to worse but for a very high price. they generally work for really rich men/people. they also deal weapons, etc.