Answer: PLYER

AnswerCrossword Clue
PLYEROne working at a trade
PLYERTradesman
PLYEROne carrying on a trade
PLYERHard worker.
PLYERDiligent worker.
PLYEROne who keeps busy
PLYERTradesman, e.g.
PLYERTrades man, e.g.
PLYEROne working a trade
PLYEROne working diligently at a trade
plyer(sometimes used with a sing. v.) small pincers with long jaws, for bending wire, holding small objects, etc. (usually used with pair of)
plyerperson or thing that plies
plyerone who plies, also PLIER