The term 'Fit for Crops' is a job description for an ARABLE worker, which is someone who works in the field of agriculture and is responsible for cultivating and harvesting crops. An ARABLE worker must have knowledge of soil management, crop rotation, and other agricultural techniques. They must also be able to use various tools and machinery to prepare the land for planting and harvesting. The term 'Fit for Crops' is used to describe someone who is knowledgeable and experienced in these areas and is therefore suitable for the job.