If you find yourself engaging with another user in the future who's exhibiting cruel or inappropriate behavior, please note you can just click "Report" from the swap page to bring the situation to our Community Moderation team's attention.
If you find a listing that you believe is a violation of our community guidelines, you can also click "Report" from the item page to bring the listing to the attention to our Community Moderation team's attention.
We regularly monitor these reports and it will save you the trouble of reaching out to our support team.