poor person vs floater

poor person and floater both are nouns.

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

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

poor person: a person with few or no possessions
floater: 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, clochard, drifter, vagabond, vagrant.

poor person (noun)	floater (noun)
a person with few or no possessions	an insurance policy covering loss of movable property (e.g. jewelry) regardless of its location
	an object that floats or is capable of floating
	a swimmer who floats in the water
	a wanderer who has no established residence or visible means of support
	a voter who votes illegally at different polling places in the same election
	an employee who is reassigned from job to job as needed
	a debt instrument with a variable interest rate tied to some other interest rate (e.g. the rate paid by T-bills)
	spots before the eyes caused by opaque cell fragments in the vitreous humor and lens