* Farming: Crusoe learned to cultivate sugar cane and other crops, which were central to the plantation's economy.
* Management: He gained experience in managing the plantation's workforce, overseeing production, and navigating the complexities of trade.
* Business: Crusoe likely learned about navigating the market for sugar and other goods, as well as the financial aspects of running a successful plantation.
These skills prove crucial later in the story, when he applies them to his survival on the deserted island.