I believe there should be a way to block people that are following you on Spotify. When blocked, the user will automatically unfollow you and will not be able to find you, or view your public playlists.
Blocking should be possible via both username and email address.
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We’re pleased to confirm that all users now have the option to block another user on Spotify. With this update, you can actively block another user across desktop and mobile devices, preventing them from being able to see listening activity, public playlists, or view profile pages.
Here’s how it works:
When visiting another user’s profile, click on the (...) button.
Select “Block” (or “Block User” on mobile) to block the user whose profile you are viewing.
This user will now be blocked and cannot access your page, public playlists or view your listening activity.
To unblock a user, click the Unblock option in the same menu.
We're always working hard to provide the best possible Spotify experience in a safe environment.