People who work on farms (look after livestock or grow food) are called farm workers.
Workers and/or employees who work from home are known as telecommuters.
A large farm that has many who workers who live on the land that they work is called a ranch. If the workers rent the land they work it could be called a tenant farm.
Union
The migrant workers are called migrant workers because they migrate. To migrate means to move. Migrant workers move from farm to farm, hoping to find work.
Co-workers.
The food given to the queen by the workers is a secretion of the workers' hyperpharyngeal glands. It is called 'bee milk' or 'royal jelly'
People who work in the GIS field are called knowledge workers because a knowledge worker is a person working in one of the information industries and the GIS is an information industry so knowlege workers work there.
Scabs(:
Co-workers
Guest workers have the right to work in a country but have few other rights.
workers