It might be useful to learn how to block users on Pinterest especially when you want to avoid any sort of interaction with a particular user. Blocked users won't be able to re-pin your content, comment on your pins and boards, follow your account, or contact you through private message. However, do note that these users will still have access to your public boards and likes.
How To Delete Followers on Pinterest
Open your web browser and connect to Pinterest. Navigate to the profile page of the desired user and then click on the cog icon displayed to the top right corner.
Simply click Block, and your block preferences will be set: