whipper-in vs helper

whipper-in and helper both are nouns.

Word	Noun	Adjective	Verb	Adverb
whipper-in	Yes	No	No	No
helper	Yes	No	No	No

As nouns, helper is a hypernym of whipper-in; that is, helper is a word with a broader meaning than whipper-in:

whipper-in: huntsman's assistant in managing the hounds
helper: a person who contributes to the fulfillment of a need or furtherance of an effort or purpose

Other hypernyms of whipper-in include assistant, help, supporter.

whipper-in (noun)	helper (noun)
huntsman's assistant in managing the hounds	a person who helps people or institutions (especially with financial help)
	a person who contributes to the fulfillment of a need or furtherance of an effort or purpose