victualler vs provider

victualler and provider both are nouns.

Word	Noun	Adjective	Verb	Adverb
victualler	Yes	No	No	No
provider	Yes	No	No	No

As nouns, provider is a hypernym of victualler; that is, provider is a word with a broader meaning than victualler:

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

Other hypernyms of victualler include supplier.

victualler (noun)	provider (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)	someone who provides the means for subsistence