I think that there is no such organization, although I did not search for it. I think so for one simple reason, as 99 percent of all managers of bounty companies write in the rules that they can change the rules of the company!
If we take into account what is happening today with the Bounty companies, this is how it costs the participants in the Bounty company, then we can definitely say that the Bounty Hunters have no protection. Of course, we are not talking about abuses of the Bounty Hunters. But nevertheless, you correctly said about the rules that I always manipulate managers and do everything for their own sake by manipulating such opportunities.