The term 'WAS IN CHARGE OF BIG BAG FOR PLUNDER' can be summarized as 'the person was responsible for overseeing the collection of loot'. The crossword solution for this term is 'RANSACK', which means to search through something in a violent or destructive manner. This term is often used to describe the act of looting, which is the act of stealing goods from a place during a time of chaos or conflict.