society > leisure > the arts > music > musician > instrumentalist > keyboard player > [noun] > organist > worker of bellows (3)
a person who works the bellows of an organ; (also) a mechanical device for the same purpose.
the person who works or blows the bellows; hence, figurative a fanner, inciter of strife, etc.; also, an unskilled assistant whose part is merely…
one who works bellows with his feet by treadles.