Tuner

n.

1.

One who tunes; especially, one whose occupation is to tune musical instruments.

Noun	1.	tuner - someone who tunes pianos Synonyms: piano tuner
	2.	tuner - an electronic receiver that detects and demodulates and amplifies transmitted signals Synonyms: radio receiver, radio set, receiving set, radio, wireless

piano tuner, skilled worker, trained worker, tune, tune up