か代kaわるwaruが代gaわるwaru
1.
The manner in which multiple participants engage in the same activity by swapping roles or responsibilities among themselves in a sequential pattern.
2.
A situation where two or more individuals take turns performing actions, often in a back-and-forth manner, without any one person dominating the activity.
3.
The act of interchangeably alternating between two or more entities while performing similar tasks or actions, thereby ensuring equal participation and involvement among them.
Example:
二人はかわるがわる試みた。