Human development

Title
Hitch hiker - Lift giver
Lift giver - Hitch hiker
Passenger - Driver
Dragon - Knight
Knight - Dragon
Scrounger - Donor
Donor - Scrounger
Dominant gay - Passive gay
Passive gay - Dominant gay
Doctor - Terminally ill
Doctor - Nurse
Nurse - Doctor
Patient - Doctor
Doctor - Patient
Terminally ill - Doctor
Conformist - Dissident
Dissident - Conformist
Mediator - Disputant
Disputant - Mediator
Guru - Disciple
Disciple - Guru
Dependent - Protector
Protector - Dependent
Defendant - Lawyer
Judge - Defendant