1. Log into your profile.
2. Go to the person's profile that you wish to block from contacting you.
3. Click on the "Report User" link in the profile page of the user. The link should be located underneath the Basic information section.
4. A pop window will appear, Now chose from the list the rule that he/she broke and enter the details below. Do not report just for fun as that will get you Banned.
5. Once you click on Send the window will close and you will get a message saying " Thankyou for submitting a report. An Administrator will review this item shortly".