1. “Commission” means the Oklahoma Peanut Commission;

2. “Grower” means any natural person engaged in growing peanuts;

3. “First purchaser” is any person, public or private corporation, association or partnership buying or otherwise acquiring after harvest the property in or to peanuts from a grower. A mortgagee, pledgee, lienor or other person, public or private, having a claim against the grower under a nonrecourse loan made against such peanuts after harvest thereof shall be deemed a purchaser. The term “first purchaser” shall not include a harvesting or threshing lienee; and

4. “Sale” includes any pledge or mortgage of peanuts, after harvest, to any person, public or private.