1) Carrier 1) Obsolete occupation 
An expressman (pl. expressmen) refers to anyone who has the duty of packing, managing, and ensuring the delivery of any cargo. During the 19th century, an expressman was someone whose responsibility it was to ensure the safe delivery of a train`s gold or currency, which was secured in the `express car`. This job included guarding the safe or ot......
• (n.) A person employed in the express business; also, the driver of a job wagon.
Ex·press'man (-m a n) noun ; plural Expressmen (-m e n). A person employed in the express business; also, the driver of a job wagon. W. D. Howells. 
a person who makes collections or deliveries for an express company.