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Hi there! Sorry to to hear that you are having trouble deleting a WordPress user. I'm sure that is very frustrating. I found this link that might provide the answer you are looking for: http://www.wpexplorer.com/delete-wordpress-admin/ Hope this helps!

Bad SEO can be really disruptive to your ranking performance. It sounds like this person may have been using black hat link building techniques and decided to remove them once you parted ways. There are ways to monitor and remove bad links that may negatively impacting your rankings. We have done this for many clients at GetBackOnGoogle.com to recover rankings after bad SEO work. It involves identifying incoming negative links and strategically requesting removal. In some cases you may need to disavow backlinks through Google Search Console, but the best option is to get them removed manually if possible first. You can use the Moz Open Site Explorer to review and monitor inbound links. If you truly think someone may have done something malicious, I would also recommend a full SEO audit to see if the setup of your website or SEO plugins have changed in any way and to make general improvements since your rankings have dropped. You'll also want to start working on content and building legitimate backlinks of your own from related sites in your industry. Mark / AdFicient.com

Hi in2townpublicrelations! Definitely let us know if you figure it out, ok?