THESAURUS
gaucho
broncobuster, buckaroo, caballero, cattleman, cavalier, cavalryman, chevalier, circus rider, cowboy, cowgirl, cowhand, cowherd, cowman, cowpuncher, drover, equestrian, equestrienne, goatherd, gooseboy, gooseherd, herder, herdsman, hogherd, horse soldier, horse wrangler, horseback rider, horsebacker, horseherd, horseman, horsewoman, jockey, knight, mounted policeman, pigman, postboy, postilion, puncher, rider, roughrider, sheepherder, sheepman, shepherd, shepherdess, steeplechaser, swanherd, swineherd, trick rider, vaquero, waddy, wrangler