arranger vs thinker

arranger and thinker both are nouns.

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

As nouns, thinker is a hypernym of arranger; that is, thinker is a word with a broader meaning than arranger:

arranger: a person who brings order and organization to an enterprise
thinker: someone who exercises the mind (usually in an effort to reach a decision)

arranger (noun)	thinker (noun)
a person who brings order and organization to an enterprise	an important intellectual
a musician who adapts a composition for particular voices or instruments or for another style of performance	someone who exercises the mind (usually in an effort to reach a decision)