The Sundarbans region of the Ganges delta is famous for its Mangrove forests. But the people living within, as aboriginals and migrants from civilizations, needed to adapt to the forest's life and its resources. Many complicated occupations requiring skills acquired through years of experience are needed there. Agricultural lives were also adaptive because of changes and help from many organizations. But natural disasters and many other conditions forced younger generations to either move out or adjust to a new lifestyle with a new mode of income. They were unable to take care of, and life risks associated with forest foragers' occupations, and people in old age needed to work again in retirement. The focus of this study was mainly on what differences happened and the main reasons for this situation.