Hotel Mission - how to identify traitor?

[frenchcook]

How do i identify and find the traitor to kill?

[OSS]

you must follow diplomat to the library, there he will meet with traitor..

[tecknomage]

First off, how do we get the guest access "pass" :confused:

[hb2]

Either at the check-in desk where you enter or if you sneak into a sleeping guest room and steal it from him.