A postal worker is someone who works in the postal service, delivering mail and packages to people's homes and businesses. A mailman is a seven-letter term for a postal worker who delivers mail on foot or by bicycle. A CLERK is a five-letter term for a postal worker who works in a post office, sorting and distributing mail. A sorter is a six-letter term for a postal worker who sorts mail into different categories. A mail carrier is an eleven-letter term for a postal worker who delivers mail using a vehicle, such as a truck or van. Finally, a man of letters is a twelve-letter term for a postal worker who specializes in delivering important documents, such as legal papers.