Role reversal

Role reversal typically refers to sociopsychological reversal of roles, such as in parentification or in placing leadership dutiesLeadership; Duties of an employer on a employee, or when actors exchange roles.G. Eiríksson. In many games, role reversal is a part of the rules for a competitive match. 
-
Psychological reversal; Revolution; Return of fortune; Reversal of fortune; Reverse dynamics
-