entrepreneur

Concise Oxford English Dictionary © 2008 Oxford University Press:
entrepreneur /ˌɒntrəprəˈnəː/

▶noun a person who sets up a business or businesses, taking on financial risks in the hope of profit.

– derivatives
entrepreneurial /-ˈn(j)əːrɪəl, -ˈnjʊərɪəl/ adjective,
entrepreneurialism noun,
entrepreneurially adverb,
entrepreneurism noun,
entrepreneurship noun.

– origin C19 (denoting the director of a musical institution): from Fr., from entreprendre (see enterprise).