Great Britain, UK, United Kingdom, United Kingdom of Great Britain and Northern Ireland, Britain, GB - a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland

counterfeiter, forger - someone who makes copies illegally

author, generator, source - someone who originates or causes or initiates something; "he was the generator of several complaints"

skilled worker, trained worker - a worker who has acquired special skills