feeder vs glutton

feeder and glutton both are nouns.

Word	Noun	Adjective	Verb	Adverb
feeder	Yes	No	No	No
glutton	Yes	No	No	No

As nouns, glutton is a hyponym of feeder; that is, glutton is a word with a more specific, narrower meaning than feeder:

feeder (noun)	glutton (noun)
an animal being fattened or suitable for fattening	musteline mammal of northern Eurasia
an animal that feeds on a particular source of food	a person who is devoted to eating and drinking to excess
a machine that automatically provides a supply of some material
an outdoor device that supplies food for wild birds
a branch that flows into the main stream
someone who consumes food for nourishment