Human development

Title
Son - Father
Father - Son
Star - Fan
Fan - Star
Terminally ill - Family
Family - Victim
Victim - Family
Family - Patient
Patient - Family
Family - Terminally ill
Extortioner - Victim
Victim - Extortioner
Husband - Wife
Ex-wife - Ex-husband
Wife - Husband
Ex-husband - Ex-wife
Enemy - Enemy
Striker - Employer
Employer - Striker
Adolescent offspring - Parent
Parent - Adolescent offspring
Offspring - Parent
Younger sister - Elder sister
Elder sister - Younger sister
Driver - Passenger