If I Block Someone On Facebook What: Happens ((link))
If the blocked person searches for your name, your profile will not appear in the results. If they try to visit a direct link to your profile (e.g., facebook.com/yourname ), they will see an error message saying "Content Not Found."
Here is a detailed, point-by-point look at what does (and does not) happen when you block someone on Facebook. Once you block a person, the following restrictions take effect instantly: if i block someone on facebook what happens
If you were friends with the person, blocking them immediately unfriends them. They cannot request to be friends with you again while blocked. If the blocked person searches for your name,
The block is mutual in this sense. You will also be unable to visit their profile, see their posts, or search for them. see their posts