To revoke access permission, select the user in the "I shared access" list, click "Revoke access" and confirm revoking access. If the confirmation window does not appear - disable adblock and unblock the pop-up banners.
Go to "My profiles" in the avatar menu and click on the profile you want to transfer to another personal account (the transferred profile must not be the current one). Click the "Transfer profile" button and specify the email address to which you want to transfer the profile.