survivalist

例句：

1. 1. They are a group of people who practice survival skills to stay alive in the wilderness.
   他们是一群在野外练习生存技能以保持生存的人。
2. 2. The survivalist community is dedicated to preserving natural resources and protecting the environment.
   生存主义者社区致力于保护自然资源和环境。
3. 3. Survivalists often stockpile food and supplies before an emergency, preparing for potential disasters.
   生存主义者在紧急情况发生前通常会储备食物和物资，为潜在的灾难做准备。