Navigate to Instructors > Add Instructor from your WordPress admin sidebar.
Enter the Instructor’s name and add their details in the content editor.
To set an instructor image, click on the first Instructor Image box, select your desired image, and click the Set Instructor Image button.
Add additional instructor information in the Instructor Meta section.
Once you’re done, click the Publish button to save the Instructor post.
Below is a screenshot highlighting the different sections of the Instructor post page:

This Instructor only Information purpose. If you want to make an Instructor for creating a course then follow the documentation here.