entrepreneur

noun

1. A person who sets up a business; generally, a person who owns and manages a business and assumes its financial risks.

   “Every rail company worth its salt wanted to connect with London. Interestingly, it was largely that way around - provincial entrepreneurs wanting to connect with the capital, rather than London capitalists seeking to spread outwards.”

2. (archaic)A person who organizes concerts, plays, or other entertainments; the manager of a theatre or similar venue; an impresario.
3. (figuratively, rare, sometimes)A person who serves as an intermediary; a middleman; a go-between.

   “Chicago, it was, by way of compensation, beginning to take on the cosmopolitan cast of culture that it has worn ever since, as entrepreneur between the Old World and the New.”

4. (obsolete)A person who manages an artist or performer; an agent.