Human development

Title
Beneficiary - Benefactor
Benefactor - Beneficiary
Lover - Beloved
Beloved - Lover
Philanthropist - Beggar
Beggar - Philanthropist
Befriender - Befriended
Befriended - Befriender
Bandleader - Musician
Musician - Bandleader
Baby - Parent
Parent - Baby
Baby - Nurse
Nurse - Baby
Baby - Mother
Mother - Baby
Avenger - Avenged
Wrongdoer - Avenger
Avenged - Avenger
Avenger - Wrongdoer
Rebel - Authority
Authority - Rebel
Audience - Clown
Clown - Audience
Player - Audience