Solved! Go to Solution.
07-04-2012 17:19 - edited 07-04-2012 17:49
Do you have a Mac or PC where you can signin to Skype? If so, you can do that and change your privacy settings to "allow calls and allow IMs from only people in my contact list.
You can also block that specific individual on the Mac or Windows versions of Skype. Any of those settings made on a PC or Mac will then follow to your iPad.
edit: You can also read this sticky post for additional steps you can take:
edit 2: Do you know the individual's Skype name? If so, send a Private Message with that name to Moderator Norman Musgrave:
He will take appropriate action.