Stephen Potter's term for: a person who practises lifemanship; one who is skilful in acquiring an advantage or ‘edge’ over another.
1940s; earliest use found in Simeon Potter (b. 1898). From life + man, after lifemanship.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。