noun
company person; corporate drone
Refers to someone whose life revolves around their company, often to the exclusion of personal interests. Can carry a slightly negative or critical nuance, implying a lack of individuality.
彼は典型的な会社人間で、休日も仕事のことを考えている。
He's a typical company man, thinking about work even on his days off.
会社人間だった父は、定年後に趣味を見つけるのに苦労した。
My father, who was a corporate drone, struggled to find hobbies after retirement.