Synonyms and related words :
broncobuster, buckaroo, caballero, cavalier, cavalryman, chevalier, circus rider, cowboy, cowgirl, cowpuncher, equestrian, equestrienne, gaucho, horse soldier, horseback rider, horsebacker, horsewoman, jockey, knight, mounted policeman, postboy, postilion, puncher, rider, roughrider, steeplechaser, trick rider, vaquero