paraprofessional vs helper

paraprofessional and helper both are nouns.

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

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

paraprofessional: a trained worker who is not a member of a profession but who assists a professional
helper: a person who contributes to the fulfillment of a need or furtherance of an effort or purpose

Other hypernyms of paraprofessional include assistant, help, supporter.

paraprofessional (noun)	helper (noun)
a trained worker who is not a member of a profession but who assists a professional	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