Also known as a cyberstalker, a cyberbully is often an adolescent who posts inappropriate or rude things about a specific person or otherwise harasses that person on the Internet, in e-mails, through IM's, or though other digitalformats such as text messages (SMS) on a cell phone.
A great site containing helpful information for parents and children on cyberbullying can be found at: http://www.stopcyberbullying.com/
