An entrepreneur is an agent of change. Entrepreneurship is the process of discovering new ways of combining resources. When the market value generated by this new combination of resources is greater than the market value these resources can generate elsewhere individually or in some other combination, the entrepreneur makes a profit.
An entrepreneur who takes the resources necessary to produce a pair of jeans that can be sold for thirty dollars and instead turns them into a denim backpack that sells for fifty dollars will earn a profit by increasing the value those resources create.