...
Parents
Parents are responsible for organizing the schedules for the entire family and driving kids to a from activities. Parents may contact other parents if they need help getting their children to or from an activity. This class could include both power users (parents with many children that often need to contact other parents for help) and novice users (parents with few children that don't often contact other parents for help but still need to organize their schedules).
Activity Organizers
The activity organizers are responsible for creating and distributing the activity schedules to parents.
...