N-COUNT（可数名词） A frontiersman is a man who lives near a frontier, used especially of men who used to live on the U.S. frontier. (美国)边境地带的居民 [美国英语]
...a manuscript about the dying breed of frontiersman and their harsh life in Canada's northern wilderness.
...一部关于生活在加拿大北部荒野边境地带正在灭绝的族群和他们艰苦生活的手稿。