poor person vs clochard

poor person and clochard both are nouns.

Word	Noun	Adjective	Verb	Adverb
poor person	Yes	No	No	No
clochard	Yes	No	No	No

As nouns, clochard is a hyponym of poor person; that is, clochard is a word with a more specific, narrower meaning than poor person:

poor person: a person with few or no possessions
clochard: a wanderer who has no established residence or visible means of support

Other hyponyms of poor person include poor white trash, white trash, down-and-out, pauper, drifter, floater, vagabond, vagrant.

poor person (noun)	clochard (noun)
a person with few or no possessions	a wanderer who has no established residence or visible means of support