There is the ability to hide member profiles from your members as profiles are automatically created for each new member added to your site (including admin profiles and test profiles, etc.)
Hide a Member's Profile Page
Visit the Users Profile Page
From https://www.yoursite.com/members/module_index.cfm, select the 'My Friends' tab.
Click on the All Users tab and choose the member from the listing
Open the Show Search Options box (above) if needed to quickly find the member.
On the left nav of the member's profile page choose 'edit profile' which is under the 'Links' section.
At the very bottom of the profile settings click the green check mark on the 'active' field.
This will update to a black 'x' indicating that the profile is hidden
Click on the button