What has my friend done to my facebook?

[DrewReaLee]

To make a long story short, I will regard my friend as "x" for identification privacy.
"x" and I used to be facebook friends until we gotten into an argument and we refuse to talk with one another. It's been close to 2 months now and "x" has done something that I want to know. Although we still are facebook friends, I cannot see "x"s posts on my wall anymore as they are gone. Any input on what "x" had done?

[Dexxter]

he has placed you to a friend list, that cannot see your wall posts, statuses or anything.

[Emmanuel]

Blocked you from being able to read her posts

[Tuono Cane]

They blocked or removed you and set their account so that you can't see their posts you can do it to people too I have. It is in profile and account settings.

[gentlepie929]

blocked you or deleted you? Cyber friend not a real friend, that has a face and you see every day and can talk to face to face

[Jenny Jones]

join the club...you been blocked or deleted.