Is "rigger" an English word? If yes, what dose it (rigger) means?
According to the OED, "a rigger" can be either
One who rigs ships.
One who attends to the rigging of aircraft.
One who works on an oil rig, or one who is employed in the construction of
oil rigs.
A person who erects and maintains scaffolding, lifting tackle, or similar
equipment.
A thimble-rigger; one who rigs the market, etc.