To dream of a farmer represents an aspect of yourself that is working hard to be as productive as possible. Developing, nurturing, growing, or cultivating something all the time. A mindset that is constantly working to keep producing or making more of something. Preparations you are making based on your aspirations for the future.
Consider what the farmer is growing for further symbolism.
Negatively, dreaming about may reflect concerns with making a mistake that reduce your productivity or negatively impact the final result of your long-term work. Fears or concerns about wasting your time with a project that requires a lot of work.
Example: A woman dreamed of talking to about camels. In waking life she had been spending a very long time to develop a business website directory and was concerned about making a mistake.