mover vs proposer

mover and proposer both are nouns.

Word	Noun	Adjective	Verb	Adverb
mover	Yes	No	No	No
proposer	Yes	No	No	No

As nouns, mover and proposer are synonyms defined as:

mover and proposer: (parliamentary procedure) someone who makes a formal motion

mover (noun)	proposer (noun)
a company that moves the possessions of a family or business from one site to another	(parliamentary procedure) someone who makes a formal motion
someone who moves	someone who advances a suggestion or proposal
(parliamentary procedure) someone who makes a formal motion
workman employed by a moving company