Dealing with unwanted content is a headache, but you can handle it without...

https://wool-wiki.win/index.php/What%E2%80%99s_the_Safest_Way_to_Contact_a_Webmaster_if_I_Fear_Harassment%3F

Dealing with unwanted content is a headache, but you can handle it without making things worse. Start by taking screenshots of the problematic post for your records before you engage