Physician
A doctor; a person who has been educated, trained, and licensed to practice the art and science of medicine.
Health Role
The roles of the persons involved in the assistive context.
Patient
A person who participates in a healthcare act while playing the patient role.
Nurse
A person trained to care for the sick or infirm, especially in a hospital.
has patient
The patient who participates to the Action.
has health role
It relates a person with its role in a health context.