One who will only eat meat that is (a) free range or (b) free. The basis for this behavior is to avoid economic support of factory farming. If meat is going to be wasted anyway, a freegetarian feels no compuction consuming it.
Josh doesn't usually eat burgers when he goes out, being a freegetarian and all. Restaurants really should start listing the sources of ingredients they use, it would make his life a lot easier.