Write an article based on this "Click on Finder on your Mac. Click on  AirDrop. Click on the "Allow me to be discovered by. Click on No One."
It's a blue and light blue icon that contains a smiley face and is usually located in your Dock. This opens a Finder window on your desktop. It's under "Favorites" in the toolbar on the left side of the Finder window. " It's at the bottom of the Finder window and will bring up a drop-down menu. This will make it such that your Mac cannot be discovered by nearby devices using AirDrop.