. . . "ursuant to P.L.1941, c. 151 (C.4:19-15.1 et seq.); a person who keeps an animal, in a humane manner, for the purpose of the protection of the premises; or a recognized breeders' association, a 4-H club, an educational agricultural program, an equestrian team, a humane society or other similar charitable or nonprofit organization conducting an exhibition, show or performance;" .