This document defines entrepreneurship and identifies attitudes and behaviors of entrepreneurs. It provides several definitions of entrepreneurship from different sources: 1) an Indonesian dictionary defines it as someone who identifies new products, determines production methods, and manages capital operations, 2) Richard Cantillon defined it as an innovator who develops something unique and new, 3) Schumpeter defined it as someone who identifies opportunities and creates an organization to pursue them, 4) Mas'ud Machfoedz and Mahmud Machfoedz defined it as an innovator who transforms opportunities into marketable ideas and adds value through effort, time, cost and skills to generate profits. In conclusion, an entrepreneur is someone who independently strives to mobilize resources,