Type the username of the person you want to unblock into the YouTube search bar.
You don’t need their approval, and they’ll never know you did it. unblock youtube user
You might have simply unsubscribed or muted them in a different way. Type the username of the person you want
So, how do you undo it?
On YouTube Studio, creators often use "Hide user from channel." To undo this, you must go to YouTube Studio > Settings > Community and remove them from the "Hidden users" list. To help you manage your community even better, The difference between blocking and reporting a user? How to set up automated comment filters to stop spam? unblock youtube user