It all depends they could be pychic or it could just be a one time event
ghost whisperer
An analogist analyzes and sees analogies.
An optimistic person.
Well, honey, that person is called a medium. They're like a supernatural switchboard operator, chatting it up with the other side. Just make sure they don't charge you an arm and a leg for their "ghostly consultations."
she sees Tybalt's ghost searching for Romeo with a rapier in his hand
A person who only sees the negative in others may be called critical, judgmental, or pessimistic.
pessimist
a seance
Macbeth does.
lifeguard
i Know a person that wants to buy the same things I have
Hamlet is talking to the Ghost, which Gertrude can't see, which looks bizarre to her. For the first time, Gertrude sees Hamlet as seriously mentally ill, not just disturbed. Ironically, it's Gertrude whose perceptions are faulty in this scene.