A employee of an organization who collects, compiles or analyzes information which is of use to that organization.
Someone who builds or repairs machinery, a technician; now specifically, someone who works with and repairs the mechanical parts of a motor vehicle, aircraft or similar.
A cheat who manipulates the cards or dice.
A manual worker; a labourer or artisan.
A hitman.
A device, command, or feature which allows someone to achieve a specific task.