Okay so update. I am using the BuddyDev plugin Members pro. That asks for a directory slug. I have discovered that this doesn’t relate to the template hierarchy, it only creates a slug that pre-filters for showing only members of the same type. Which, by the way, the slug is members/type/the-word-you-put-in-the-field.\
I still do not know how to see the results of what is in my file titled index-directory-type-investor.