crier vs blubberer

crier and blubberer both are nouns.

Word	Noun	Adjective	Verb	Adverb
crier	Yes	No	No	No
blubberer	Yes	No	No	No

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

Other hyponyms of crier include bawler.

crier (noun)	blubberer (noun)
(formerly) an official who made public announcements	someone who sniffles and weeps with loud sobs
a person who weeps
a peddler who shouts to advertise the goods he sells