First to act on it gets it.
In addition to being against the platform's terms and rules from what you are trying to do, both you and the individual providing his documents to verify your account and using his identity are both at significant risks. You could face a ban at any moment from Paxful if only the support team request you to undergo verification one more time and you don’t find that person you had the deal with and you can just imagine if you have a good balance in that account. Also another risk is that the person who verified your account could in any moment gain access to it by simply contacting support and convincing them by sending his ID.
Beside you, there is a risk for the person providing his identity documents as well, especially if you're involved in any illegal activities such as money laundering or fraudulent activities.
So stay safe and try to verify the account with your own documents otherwise use a different platform