Greenhorn Antonyms

master person past master crack shot bounty hunter expert witness vet old-timer bandleader crackerjack evaluator aficionado maven hotshot old stager alpha geek dab hand knowledgeable person expert person consummate person accomplished person experienced person master hand adroit person adept person policy maker old hand grandmaster doyen wright virtuoso veteran countryman connoisseur commander cognoscente champion captain buff boss aviator authority aesthete adept director expert genius stager sculptor savant professional