1US Mining a worker employed by the day (now historical).
2Originally US a man loyal to the company for which he works, especially one regarded (by other employees) as excessively enthusiastic or uncritical in his loyalty.
Origin
Late 19th century.
Definition of company man in US English:
company man
noun
1US Mining a worker employed by the day (now historical).
2Originally US a man loyal to the company for which he works, especially one regarded (by other employees) as excessively enthusiastic or uncritical in his loyalty.