poser vs helper

poser and helper both are nouns.

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

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

poser: a person who poses for a photographer or painter or sculptor
helper: a person who contributes to the fulfillment of a need or furtherance of an effort or purpose

Other hypernyms of poser include assistant, help, supporter.

poser (noun)	helper (noun)
a particularly difficult or baffling question or problem	a person who helps people or institutions (especially with financial help)
a person who poses for a photographer or painter or sculptor	a person who contributes to the fulfillment of a need or furtherance of an effort or purpose
a person who habitually pretends to be something he is not