The primary occupation of a person who works on a farm is known as "farming." Farmers are responsible for cultivating crops, raising livestock, and engaging in various agricultural activities to produce food, fiber, and other products. Their work encompasses planting, harvesting, and managing land, as well as business-related tasks like marketing and selling produce. Farming can also involve the use of technology and sustainable practices to increase efficiency and minimize environmental impact. It is a crucial occupation that supports the global food supply and rural economies.