Definition of rigger
noun
1a person who rigs or attends to the rigging of a sailing ship, aircraft, or parachute. a person who erects and maintains scaffolding, lifting tackle, cranes, etc.. a person who works on or helps construct an oil rig.
2 (also rigger brush) an artist’s long-haired sable brush.
3an outrigger carrying a rowlock on a racing rowboat.