Having your private info or old posts floating around the web is a headache....

https://smoothdecorator.com/how-to-remove-an-old-profile-page-from-a-people-finder-site/

Having your private info or old posts floating around the web is a headache. You don't have to just live with it. Start by taking screenshots for proof before you delete anything. Then, use the platform's official reporting tools to request takedowns