Both Uses

glutton
in
The Odyssey, by Homer - (translated by: Butler)
(Auto-generated)

Now there came a certain common tramp who used to go begging all over the city of Ithaca, and was notorious as an incorrigible glutton and drunkard.†
Book 18 *

glutton = someone who consumes more than they should -- especially eating and drinking too much; or someone who persists in an activity even though it has negative consequences; or someone who loves a thing mentioned
Irus was very angry and answered, "You filthy glutton, you run on trippingly like an old fish-fag.†
Book 18

Definitions:

(1) (glutton)
someone who consumes more than they should -- especially eating and drinking too much

The expression: "a glutton for punishment" usually refers to someone who persists in some activity despite negative consequences, but it can also be used to stress that someone loves something as in "a glutton for sunshine".
(2) (meaning too rare to warrant focus)
Gluttony is an instance or a habit of eating or drinking like a glutton.

Much more rarely, glutton can reference a kind of wolverine in northern Eurasia.