You can still access your village and report the problem to customer care and you will both be logged out. You can then change your password and re-open your village leaving the other person out.
You can try to ask movie star planet for advise or to get your MSP account back by saying your username and the last password you can relate from that...
You need to go the proxy settings and uncheck the option for proxy avoidance to allow the sites to load. Steps will depend on the kind of browser (IE, Chrome,...
