How can I specify remove a person to see the "People" button?
The “Confluence Browse People Permission” App only supports removing/adding the group.
If you want to remove the person, you should following these step:
Create the group (ex: “view-people-directory”)
Add all persons without specifying one person to a group (“view-people-directory”)
Add that group (“view-people-directory”) to the white list - the guide here