prepper
noun [ C ] US uk/ˈprep.ər/ us/ˈprep.ɚ/
（相信战争或灾难即将发生，因此学习技能、囤积食物和装备的）有备族，准备者
someone who believes that a war or disaster will happen soon, and who learns skills and collects food and equipment, in order to be ready for it
a website for doomsday preppers 末日准备者的网站