organiser vs labor organizer

organiser and labor organizer both are nouns.

Word	Noun	Adjective	Verb	Adverb
organiser	Yes	No	No	No
labor organizer	Yes	No	No	No

As nouns, organiser and labor organizer are synonyms defined as:

organiser and labor organizer: someone who enlists workers to join a union

Other synonyms of organiser include organizer.

organiser (noun)	labor organizer (noun)
a lightweight consumer electronic device that looks like a hand-held computer but instead performs specific tasks; can serve as a diary or a personal database or a telephone or an alarm clock etc.	someone who enlists workers to join a union
a person who brings order and organization to an enterprise
someone who enlists workers to join a union