As used in this chapter, unless the context otherwise requires: “Country buyer” means any person who buys small grains from a producer. “Exporter” means any person offering small grains for export sale. “Handler” means any person who purchases small grains from a producer and any producer who transports and sells his own small grains out of state. Handler also means any processor, dealer, shipper, country buyer, exporter, or any other business entity that purchases small grains from a producer. Handler shall also mean any person buying, accepting for shipment, or otherwise acquiring property in small grains from a producer, and shall include a mortgagee, pledgee, lienor, or other person having a claim against the producer when the actual or constructive possession of such small grains is taken as part payment or in satisfaction of such mortgage, pledge, lien, or claim. “Processor” means any person who changes the physical form or characteristic of small grains in preparation for sale. “Producer” means any person who has grown and sold small grains in the Commonwealth in the preceding three years. “Seedsman” means any person who offers small grains seeds for sale. “Small grains” means barley, oats, rye, or wheat.