The representation of H-2A workers, however, is limited to matters which arise under the worker's specific employment contract in the areas of wages, housing, transportation and other employment rights.
The H-2A's workers representation works to help these workers sue a lot of different people. 
mnli hypothesis: The H-2A's workers representation works to help these workers sue a lot of different people.  premise: The representation of H-2A workers, however, is limited to matters which arise under the worker's specific employment contract in the areas of wages, housing, transportation and other employment rights.