adjudicator vs justice

adjudicator and justice both are nouns.

Word	Noun	Adjective	Verb	Adverb
adjudicator	Yes	No	No	No
justice	Yes	No	No	No

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

adjudicator: a person who studies and settles conflicts and disputes
justice: a public official authorized to decide questions brought before a court of justice

Other hyponyms of adjudicator include judge, jurist, official.

adjudicator (noun)	justice (noun)
a person who studies and settles conflicts and disputes	judgment involved in the determination of rights and the assignment of rewards and punishments
	the quality of being just or fair
	a public official authorized to decide questions brought before a court of justice