(dated) "company warrior": businessman who puts his all into work

buyout (acquisition of a controlling interest)

entrepreneur

public enterprise

large company, conglomerate

small-to-medium-sized enterprises, smaller companies

(mahjong) a win worth four times of a 満貫 (mangan): 48,000 points if the winning player is on the East (dealer) side or 32,000 points otherwise

(mahjong) a winning hand using special rules; worth 48,000 points if the winning player is on the East (dealer) side or 32,000 points otherwise

(figuratively) driving force

(Japanese fiction, pornography) the one who fucks other characters