As used in this act:
(a) "Farm operator" means any individual, corporation, partnership, joint venture, firm, company, or other legal entity, or any officers or agents thereof, in immediate possession of any farm as owner or lessee, and, as such, responsible for its management and condition.
(b) "Seasonal farm worker" means any person who is engaged in seasonal or temporary farm work and is a term that may be used interchangeably with the terms "migrant laborer" and "temporary farm worker."