1) Mail room worker 2) Working man 3) Working person 4) Workman 1) Stomper 2) Tramper 
• (n.) One who stamps. • (n.) An instrument for pounding or stamping.
negative metal part generated by an electroplating process from which finished pressings are moulded NOTE 1 - A stamper can be generated either from a metal positive or from a lacquer original. NOTE 2 - See figure 806-2.
Stamp'er noun 1. One who stamps. 2. An instrument for pounding or stamping. 
[n] - a workman whose job is to form or cut out by applying a mold or die (either by hand or by operating a stamping machine) 2. [n] - someone who walks with a heavy noisy gait or who stamps on the ground
stomper noun someone who walks with a heavy noisy gait or who stamps on the ground
a person or thing that stamps. · (in a post office) an employee who applies postmarks and cancels postage stamps. · a pestle, esp. one in a stamp mill. · a mold, usually of metal, from which disk recordings are pressed.