justiciar vs jurist

justiciar and jurist both are nouns.

Word	Noun	Adjective	Verb	Adverb
justiciar	Yes	No	No	No
jurist	Yes	No	No	No

As nouns, jurist is a hypernym of justiciar; that is, jurist is a word with a broader meaning than justiciar:

justiciar: formerly a high judicial officer
jurist: a public official authorized to decide questions brought before a court of justice

Other hypernyms of justiciar include judge, justice.

justiciar (noun)	jurist (noun)
formerly a high judicial officer	a legal scholar versed in civil law or the law of nations
	a public official authorized to decide questions brought before a court of justice