An entrepreneur is anyone who can see an opportunity or an idea and turn it into hard cash. If you can do it through someone else's business then even better. You are simply reducing the calculated risk.
A few years ago several bartenders and waitresses went out and bought investments properties because another bartender had done it and made lot of money. They had a few properties, incorporated their business and rolled over the taxes, and got loans easily. That did not make them entrepreneurs. Those business owners helped to drive house prices all the way up, then all the way down taking the economy with them along the way.
On the other hand, take Google. A great search engine, a good amount of visitors who love the product. But someone outside the founders came up with Adwords and executed it pretty well. That s an entrepreneur.