pressman vs typographer

pressman and typographer both are nouns.

Word	Noun	Adjective	Verb	Adverb
pressman	Yes	No	No	No
typographer	Yes	No	No	No

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

Other hyponyms of pressman include compositor, setter, typesetter, proofreader, reader.

pressman (noun)	typographer (noun)
someone whose occupation is printing	one who sets written material into type
a male journalist employed to provide news stories for newspapers or broadcast media