end man vs acquaintance

end man and acquaintance both are nouns.

Word	Noun	Adjective	Verb	Adverb
end man	Yes	No	No	No
acquaintance	Yes	No	No	No

As nouns, acquaintance is a hypernym of end man; that is, acquaintance is a word with a broader meaning than end man:

Other hypernyms of end man include friend.

end man (noun)	acquaintance (noun)
a man at one end of a row of people	personal knowledge or information about someone or something
a man at one end of line of performers in a minstrel show; carries on humorous dialogue with the interlocutor	a person with whom you are acquainted
	a relationship less intimate than friendship