if i unfriend somebody on facebook and how can i block him again?

[Ahmednur]

already made hin unfriend but stiill i can see his message

[Scott]

Click on the lock in the top right corner of Facebook, click "How can I stop someone from bothering me?", type the person's name in the box, and done!

[Alice]

To block someone on Facebook go to account settings and go to blocking than type their name in and I pops up the people than click on who ypi want to block

[Daniel]

Go to there Profile Click on the Circle than Click on Report/Block And Than Hit the Block Button And Hit Submit

Once you have Blocked The Person There Profile Picture and the the Name Will Be Removed the Message mite Still Be There Tho To Get Rid of the Message you have to Delete the Message