When you block someone on Pinterest, the following actions occur:
Unfortunately, blocking one account does not block the person. If they create a new account or use a "burner" account, they can view your public profile. If you believe you are being harassed, you should report the user to Pinterest Safety in addition to blocking them.
If you block someone and you’re both collaborators on a , blocking will remove them from that board. They will be notified that they’ve been removed from the board — but the notification won’t say it’s because you blocked them. It will just say “You were removed from [board name].”