“Gaman” is a zen Buddhist term which loosely translates to “enduring the unbearable with patience and dignity”. In Japan, putting up with a seemingly unbearable situation is seen as a sign of maturity. In the notoriously tough Japanese workplace, employees are expected to “Gaman” as much as possible. You can read more about it here: https://www.bbc.com/worklife/article/20190319-the-art-of-perseverance-how-gaman-defined-japan