People have to be careful while receving skrill or payza, as they are reversible, so better do your research rather than risking account.
@ OP, what is your source of funds?
And do you use escrow?
Since when Skrill is reversible? When you were able to reverse a Skrill payment, prove it

Now for real, Skrill is irreversible.
https://help.skrill.com/en/Article/security/account-security-and-privacy/can-i-cancel-a-send-money-transaction"Once the transaction has been processed successfully, you will only be able to cancel it if the transaction was authorised fraudulently."