Negative content online hurts your reputation, but you have options. Start by...

https://wiki-tonic.win/index.php/What_Proof_Should_I_Collect_Before_I_Report_a_Page_or_Send_a_Takedown_Request%3F

Negative content online hurts your reputation, but you have options. Start by contacting the site owner directly to request a removal. If that fails, file a formal de-indexing request with Google for policy violations