#5
"You are responsible for maintaining the confidentiality of your password and login information. You must immediately notify PLAYWITH of any unauthorized use of your password or account, or any other breach of security. You will be solely responsible to PLAYWITH for actions under Your Account and password, whether authorized by You or not. ."

It doesn't direct say it. But yeah same thought, do not share your account, if you do we will not assist you.

http://portal.playrohan.com/Common/Html/tos.html