How to block other Facebook accounts
In case you feel annoyed by other Facebook accounts, probably because you are too hot or popular, I will instruct you to prevent these things from happening.
Step 1: Log in your account first, click on the symbol in the upper right corner.
Step 2: Select “Setting” to continue.
Step 3: Choose “Blocking”.
Step 4: To block a user, you need to fill his or her name/email “Blockk users” then click on "Block".