helper vs provider

helper and provider both are nouns.

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

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

helper: a person who helps people or institutions (especially with financial help)
provider: someone who provides the means for subsistence

helper (noun)	provider (noun)
a person who helps people or institutions (especially with financial help)	someone whose business is to supply a particular service or commodity
a person who contributes to the fulfillment of a need or furtherance of an effort or purpose	someone who provides the means for subsistence