This will prevent Esther from sending you messages, friend request or from viewing your profile. They will not be notified. Comments on discussion boards from them will be hidden by default.
“What is a ghost? A tragedy condemned to repeat itself time and again? A moment of pain, perhaps. Something dead which still seems to be alive. An emotion suspended in time. Like a blurred photograph. Like an insect trapped in amber. A ghost. That's what I am.”
―
Guillermo del Toro