jour·ney·man 
(jûrnē-mən)
(jûrnē-mən)n.
1. One who has fully served an apprenticeship in a trade or craft and is a qualified worker in another's employ.
2. An experienced and competent but undistinguished worker or athlete: "Most scientists are semiliterate journeymen with respect to the humanities" (Edward O. Wilson).
[Middle English journeiman : journei, a day's work; see JOURNEY + man, man; see MAN.]