freegan
noun [ C ] uk/ˈfriː.ɡən/ us/ˈfriː.ɡən/
选择不从商店购买食物的人（尤指食用他人或商店抛弃的食品、以期减少浪费的人）
a person who chooses to eat food that is not bought from a shop, especially food that other people, shops, or organizations throw away, so that food is not wasted