1) All-weather worker 2) Blue uniform wearer 3) Carrier 4) Deliverer 5) Delivery boy 6) Deliveryman 7) Guy with a route 8) He knows where you live 9) Important civil servant 10) Letter carrier 11) Mail carrier 12) One who puts letters in boxes 13) Postman 14) Regular character in Blondie 15) Unsung hero of Christmas 1) Postman 2) Sirgawain 
[n] - a man who delivers the mail
postman noun a man who delivers the mail