/ səˈvaɪvəlɪst; NAmE sərˈv-/ noun
a person who prepares for a dangerous or unpleasant situation such as a war by learning how to survive outdoors, practising how to use weapons, storing food, etc.
► sur·vival·ism / səˈvaɪvəlɪzəm; NAmE sərˈv-/ noun [ U ]