A person appointed to a high office in the government(noun)
WordNet. Princeton University. 2010.
Use "government minister" in a sentence
"Their visitors included a Habsburg prince—who rejoiced in the curiously evocative name of Johann Salvator von Habsburg—a government minister and Emma Calvé."
"Francois Missoffe, the government minister of youth, was visiting Nanterre when a small red-haired student asked him for a light for his cigarette."