arranger vs coordinator

arranger and coordinator both are nouns.

Word	Noun	Adjective	Verb	Adverb
arranger	Yes	No	No	No
coordinator	Yes	No	No	No

As nouns, coordinator is a hyponym of arranger; that is, coordinator is a word with a more specific, narrower meaning than arranger:

Other hyponyms of arranger include co-ordinator, orderer, systematiser, systematist, systematizer, systemiser, systemizer.

arranger (noun)	coordinator (noun)
a person who brings order and organization to an enterprise	someone whose task is to see that work goes harmoniously
a musician who adapts a composition for particular voices or instruments or for another style of performance