This video illustrates how to create a Parent Role in Moodle. It can also be applied to Tutor, Guardian or Mentor Roles.

Here are the capabilities you need to allow for the Parent Role:

Under Course Heading:
1. moodle/user:viewalldetails

Under User Heading:
1. moodle/user:readuserblogs
2. moodle/user:readuserposts
3. moodle/user:viewuseractivitiesreport
4. moodle/user:viewalldetails

tool/policy:acceptbehalf