This will prevent Nathan 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.
“Bear patiently your exile and the dryness of your mind. The time will come when I will make you forget these painful moments and you will enjoy inward quietness. I will open the Bible for you and you will be thrilled by your new understanding of my truth.”
―
Thomas à Kempis