@Debra300 Ah, thanks for that. I did read that thread before, but didn't realize it was the same guest- now that I went back to reread it, it's obvious. But it still sounds highly irregular, as you pointed out, this isn't the normal way Airbnb takes care of refunds.
@Giorgi666 This guest needs to cancel from his end and let Airbnb deal with the refund process. Do not respond to the guest's demands. And I don't understand what you mean by
"So I can withdraw my 483 $"- what do you mean "withdraw"? Airbnb issues you your payouts and they are either deposited in your bank account, paypal, or whatever your payout method is. Once the money is in your account, it is yours. If Airbnb determines you've been overpaid, they will take the money you owe out of your future payouts before transferring money into your account, they don't take it back out of your bank account- they have no authority to do that.