gasman

From gas +‎ man.

gasman (plural gasmen)

1. (colloquial) A worker for a company that supplies gas (in the sense of the gaseous fuel), especially one who visits premises to read the meter, test appliances etc.

   I spent all morning waiting for the gasman to call.

2. A man employed in the manufacture of gas.
3. The man who controls the lights of the stage.
4. (slang) A worthless person (male)

• gasfitter

• Magans, mangas