man vs people

man and people both are nouns.

Word	Noun	Adjective	Verb	Adverb
man	Yes	No	Yes	No
people	Yes	No	Yes	No

man (noun)	people (noun)
all of the living human inhabitants of the earth	(plural) any group of human beings (men or women or children) collectively
any living or extinct member of the family Hominidae characterized by superior intelligence, articulate speech, and erect carriage	the body of citizens of a state or country
game equipment consisting of an object used in playing certain board games	members of a family line
an adult person who is male (as opposed to a woman)	the common people generally
someone who serves in the armed forces; a member of a military force
the generic use of the word to refer to any human being
a manservant who acts as a personal attendant to his employer
an adult male person who has a manly character (virile and courageous competent)
a male person who plays a significant role (husband or lover or boyfriend) in the life of a particular woman
a male subordinate

man (verb)	people (verb)
provide with workers	fill with people
take charge of a certain job; occupy a certain work place	furnish with people