Capabilities/moodle/user:viewdetails

This allows a user to view another user's profile page
If the capability is applied at the course level, for example a user is enrolled in a course as a student or teacher, then the user can view other users' course profile pages
If the capability is applied at the system level, for example a user has the system role of manager, then the user can view full profile pages
This capability is allowed for all default roles except the authenticated user role

Course profile

Full profile

Example usage

Parent role
On moodle.org, this capability is allowed for the authenticated user role so that logged-in users can view the profiles of users participating in front page activities such as the Moodle Jobs database.

As an administrator, go to Settings > Site administration > Users > Permissions > Define roles and click the 'Add a new role' button
Give the role a name, such as 'Full profile viewer' and tick System as the context type where the role may be assigned
Copy and paste moodle/user:viewdetails into the filter box then tick the box to allow the capability
Click the 'Create this role' button
Go to Settings > Site administration > Users > Permissions > Assign system roles and click 'Full profile viewer'
Assign teachers the role of 'Full profile viewer' by selecting them in the list of potential users on the right and then adding them to the list on the left