pauper vs mendicant

pauper and mendicant both are nouns.

Word	Noun	Adjective	Verb	Adverb
pauper	Yes	No	No	No
mendicant	Yes	Yes	No	No

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

Other hyponyms of pauper include beggar, derelict, starveling.

pauper (noun)	mendicant (noun)
a person who is very poor	a pauper who lives by begging
	a male member of a religious order that originally relied solely on alms

pauper (adjective)	mendicant (adjective)
	practicing beggary