Newbie + self moderated thread, selling eGift cards at "too good to be true" prices + offsite autobuy with no escrow == Pretty much a guaranteed scam.
Nevermind the multiple negative trust ratings that were already posted.
He has multiple telegram accounts. My guess is he changes them whenever he scams someone. I've linked all the evidence on imgur. You can check it out.
Your screenshots only show the telegram username as @cryptogift
Do you have any evidence linking this John and Mitch (@GiftNerd)?

but this bitch needs to banned so he doesn't scam anymore people.
Scams aren't moderated... And scammers aren't banned... He has been tagged and it's on individuals to do their due diligence before trading.