Dealing with unwanted content online is a headache, but you can handle it...

https://www.last-bookmarks.win/cleaning-up-your-digital-footprint-doesn-t-have-to-be-a-nightmare-if-you-need

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