victualer vs supplier

victualer and supplier both are nouns.

Word	Noun	Adjective	Verb	Adverb
victualer	Yes	No	No	No
supplier	Yes	No	No	No

As nouns, supplier is a hypernym of victualer; that is, supplier is a word with a broader meaning than victualer:

victualer: a supplier of victuals or supplies to an army
supplier: someone whose business is to supply a particular service or commodity

Other hypernyms of victualer include provider.

victualer (noun)	supplier (noun)
a supplier of victuals or supplies to an army	someone whose business is to supply a particular service or commodity
an innkeeper (especially British)