1 Consider the alternatives. The steps below will outline some scenarios where it's likely that you've been blocked, but there's no guarantee. If your alleged blocker has been temporarily blocked for violating Facebook policies, this could be a reason you're not able to see them. It could also be that the person has deactivated or deleted their account altogether.
2 Note whether you've received a message from this person lately. If you are blocked, they will not receive your messages at all. So, if a person does respond to a message you sent, you are not blocked. If they don't respond, you may or may not be blocked. Either they aren't receiving your messages because they've blocked you, or they're just ignoring your messages. Continue with your investigation.
Search for the person while you are logged in. If you can find them, then you can rest assured that you haven't been blocked. (When someone blocks you, it prevents you from finding them on Facebook.) If you can't find them, it may be that you are blocked, or it may be that they have their privacy settings adjusted so they can't be found.
3 Don't bother searching for this person while logged into a different account. If you find them through that account and not through yours, it could be for a variety of reasons:
If the account you're using isn't friends, or a friend of a friend of that person, and you use a standard search, it's just like searching for them while logged out, which is discussed in the next step. Note: If the account you are using isn't friends, or a friend of a friend of that person and you don't find them, you might still find them by looking through the list of friends of known friends of them. If you do find them this way while using a totally unrelated.................
More at .... How to Find Out Who Has Blocked You on Facebook via wikihow.com
