How to make complaint about someone inquiring about buying something That's vulgar

I had a long discussion with someone wanting to buy something. And by the end i disgusted by there comments and inquiries. Is there away of making a complain? Or only Block

Thank you for bringing this to our attention. We take user complaints seriously and will investigate the behavior of the user in question.

If they have violated our Ad Reply Code of Conduct or exhibited rude or disrespectful behavior towards you or others, appropriate action will be taken.

In the meantime, we recommend blocking the user from further contact to prevent any further issues.

If you have any additional information or concerns, please do not hesitate to let us know.