derogation vs poor person

derogation and poor person both are nouns.

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

derogation (noun)	poor person (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a person with few or no possessions
a communication that belittles somebody or something