A Tanker

1. (nautical) A tank ship, a vessel used to transport large quantities of liquid.
2. (automotive, US) A tank truck.
3. (automotive, Britain) A fuel tanker, petrol tanker, road tanker.
4. (rail transport) A tank car
5. (military) Member of a tank crew, or of an armoured unit.
6. (surfing slang) A longboard.

(military): tankman, tankist

(military): trooper, crewman, armoure soldier

(military): zipperhead (Canadian military slang)