Noindex Posts From Certain Authors In Wordpress

To noindex individual author pages, follow these steps:

1. Log in to your WordPress website. ...
2. Click on 'Users'. ...
3. Go to 'All Users'
4. Select the right user to edit in the Users overview.
5. On the profile editing page, check 'Do not allow search engines to show this author's archives in search results' in the Yoast SEO settings.