TAsomeone who looks after or owns cattle 养牛人；牧牛工人；牧牛场场主
Examples from the Corpus
cattleman• Gloucestershire cattleman Guy Wooding will judge the inter-breed championship on the afternoon before the sale.• To the settler or trapper or cattleman, the western frontier was both promising and dangerous.• Cotton may be the biggest loser, but Perry is just as worried for the cattlemen.