tribal chief vs chief

tribal chief and chief both are nouns.

Word	Noun	Adjective	Verb	Adverb
tribal chief	Yes	No	No	No
chief	Yes	Yes	No	No

As nouns, tribal chief and chief are synonyms defined as:

Other synonyms of tribal chief include chieftain, headman.

tribal chief (noun)	chief (noun)
the head of a tribe or clan	a person who is in charge
	a person who exercises control over workers
	the head of a tribe or clan

tribal chief (adjective)	chief (adjective)
	most important element