logistician vs expert

logistician and expert both are nouns.

Word	Noun	Adjective	Verb	Adverb
logistician	Yes	No	No	No
expert	Yes	Yes	No	No

As nouns, expert is a hypernym of logistician; that is, expert is a word with a broader meaning than logistician:

logistician (noun)	expert (noun)
a person skilled at logic	a person with special knowledge or ability who performs skillfully

logistician (adjective)	expert (adjective)
	having or showing knowledge and skill and aptitude
	of or relating to or requiring special knowledge to be understood