The paper describes the problems of insuring farmers that are performing civil law agreements and conducting nonagricultural business in the Agricultural Social Insurance Fund. The attention is paid to the individual elements of the statutory definition of a farmer and an attempt to define the term of non-agricultural economic activities. The main purpose of this elaboration is to define the exposure of farmers – entrepreneurs and farmers insurance providers of civil contracts in ASIF on the conditions of the Act of 20 December 1990. It should be also analyzed the personal scope of the subject of insurance through the prism of the social security protection. In the final part of the aticle the conclusions and de lege ferenda arguments are presented.