When people are spreading negativity to you or your adolescent online, sometimes the only solution is to block them. By blocking people, on most sites you will no longer be able to see their content and they won’t be able to see yours. In most cases, they also won’t be able to contact you on your feed or through direct message on the site. If someone is bothering you or your adolescent or saying things that spread negativity, it might be time to remove their profile from view. The following links are guides to blocking people:
Facebook: https://www.facebook.com/help/168009843260943?helpref=faq_content
Twitter: https://support.twitter.com/articles/117063
Instagram: https://help.instagram.com/426700567389543