bronco buster - a cowboy who breaks broncos to the saddle

buckaroo, buckeroo, vaquero - local names for a cowboy (`vaquero' is used especially in southwestern and central Texas and `buckaroo' is used especially in California)

cowgirl - a woman cowboy

gaucho - a cowboy of the South American pampas

horse wrangler, wrangler - a cowboy who takes care of the saddle horses

ranch hand - a hired had on a ranch

roper - a cowboy who uses a lasso to rope cattle or horses