A farmer is a person who raises living organisms for food or raw materials. Definition The term farmer usually applies to a person who grows field crops, and/or manages orchards or vineyards, or raises livestock or poultry such as chicken and cows. Their products are usually sold in a market or, in a subsistence economy, consumed by the family or pooled by the community. In some countries, a farmer engaged in raising cattle, horses, or sheep for profit is usually referred to as a rancher (US… (More on Farmer)