almoner vs social worker

almoner and social worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
almoner	Yes	No	No	No
social worker	Yes	No	No	No

As nouns, social worker is a hypernym of almoner; that is, social worker is a word with a broader meaning than almoner:

almoner: an official in a British hospital who looks after the social and material needs of the patients
social worker: someone employed to provide social services (especially to the disadvantaged)

Other hypernyms of almoner include caseworker, welfare worker.

almoner (noun)	social worker (noun)
an official in a British hospital who looks after the social and material needs of the patients	someone employed to provide social services (especially to the disadvantaged)