Human development

Title
Prisoner - Prison visitor
Prison visitor - Prisoner
Prey - Predator
Predator - Prey
Supporter - Player
Player - Player
Spectator - Player
Player - Supporter
Player - Spectator
Referee - Player
Player - Referee
Team - Player
Psychiatrist - Patient
Patient - Psychiatrist
Partner - Partner
Robbed - Robber
Robber - Robbed
Participant - Organizer
Organizer - Participant
Oppressed - Oppressor
Oppressor - Oppressed
Opponent - Opponent
Parent - Offspring
Patient - Nurse
Nurse - Terminally ill