can you block and unblock someone on facebook without them knowing?
435778
Blocking a Facebook friend stops their posts from showing in your feed and prevents them from sending you direct messages. Unlike unfriending, blocking can be undone without the other party knowing you ever changed the nature of the Facebook relationship in the first place.
16836
There is no way to unblock a user if they have you blocked as well. You would only be able to unblock them if they unblock your account. It's not possible for two people to block each other. If a person is blocked, then the other person cannot find their profile to block them.
1158350
Is Blocking Permanent on Facebook. No. You can always unblock a person as shown below.
104494
We don't tell people when you block them, so they will not automatically know. But they might figure it out on their own if they visit your website, try to reblog one of your posts, say, and are prevented from doing so.
898451
You can block someone using the QuizUp app on your phone or tablet as well as on the web. When you block someone, they can't see your profile or posts, message you or challenge you. People aren't notified when you block them.
980704
Yes. Blocking allows you to prevent many interactions with someone on Facebook, but you may still encounter content they've shared.
83598
If they didn't notice that you blocked them, they may never realize that you unblocked them later. Blocking someone on Instagram causes them to unfollow you, so when you unblock that person, they still won't be following you.
121156
With user blocking enabled, you can unfriend specific users and hide your comments from their view plus prohibit the user from communicating directly with you on Facebook. Other privacy settings allow you adjust the overall audience of your posts and shared items.
33184
All you have to do is to go to your profile and click on the three lines in the top right corner and then choose settings in the bottom of the page. Now click on Privacy and Security. Now click on Blocked accounts and choose the user you want to unblock.
431480
That is, “blocking” on Instagram works as “unfollowing mechanism” for both parties: the blocker and the blocked user. Unblocking would only make the (previously) blocked user can now see your posts (if your profile is set public), but that doesn't automatically make them follow you again, and the other way around.
353050
If you block someone, they won't be unblocked until you unblock them. When you unblock someone, you won't automatically be friends again.
1379445
If you have been blocked, you should not be seeing anything from that person anyway. If they decide to unblock and then follow you, at that point you can then unfollow or block them.
867933
Non-Friends If the person you want to block is not one of your friends, you won't get the same option. You won't see anything at all.
516065
There is no way to unblock a user if they have you blocked as well. You would only be able to unblock them if they unblock your account.
44446
People will not be notified when you block them. You can also block mesages from users on Facebook as well. They won't be able to contact you in the Messenger app if you do this - and they also won't be notified.
698576
As far as I know, there is no such option to block a person who has already blocked you. ... As far as I know, there is no such option to block a person who has already blocked you. For blocking feature to work, you are required to find that person on Facebook.
21762
When you unblock someone, you won't automatically be friends again. If you block a friend and then unblock them, you'll need to send them a new friend request. People won't be notified when you block them.