broncobuster
buckaroo
caballero
cattleman
cavalier
cavalryman
chevalier
circus rider
cowboy
cowgirl
cowhand
cowherd
cowman
cowpuncher
drover
equestrian
equestrienne
gaucho
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
cowpoke
compeer
empiric
foster-brother
foster-father
taskmistress