This doesn't exactly fit the bill of a typical account farmer in my eyes. When I think of farming, I think of ranking up multiple accounts with the intention of selling them. This guy just looks to have multiple alts, and I'm not quite sure what he's doing here by PMing you with all of them. There's probably more alt accounts, but I haven't searched. Either way, from just what OP posted this guy doesn't deserve a neg.
If there's evidence he had some or all of these accounts enrolled in a single bounty, then that's a different story. Produce that evidence and I'll gladly tag him.
Yes, the guy enrolled all his account in a single bounty of my. Here is the
spreadsheetTelegram row: 1797,1798,1799 & 1805.