barrister vs sergeant

barrister and sergeant both are nouns.

Word	Noun	Adjective	Verb	Adverb
barrister	Yes	No	No	No
sergeant	Yes	No	No	No

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

barrister: a British or Canadian lawyer who speaks in the higher courts of law on behalf of either the defense or prosecution
sergeant: an English barrister of the highest rank

Other hyponyms of barrister include Counsel to the Crown, sergeant-at-law, serjeant-at-law, serjeant.

barrister (noun)	sergeant (noun)
a British or Canadian lawyer who speaks in the higher courts of law on behalf of either the defense or prosecution	a lawman with the rank of sergeant
	any of several noncommissioned officer ranks in the Army or Air Force or Marines ranking above a corporal
	an English barrister of the highest rank