lobbyist vs persuader

lobbyist and persuader both are nouns.

Word	Noun	Adjective	Verb	Adverb
lobbyist	Yes	No	No	No
persuader	Yes	No	No	No

As nouns, persuader is a hypernym of lobbyist; that is, persuader is a word with a broader meaning than lobbyist:

lobbyist: someone who is employed to persuade legislators to vote for legislation that favors the lobbyist's employer
persuader: someone who tries to persuade or induce or lead on

Other hypernyms of lobbyist include inducer.

lobbyist (noun)	persuader (noun)
someone who is employed to persuade legislators to vote for legislation that favors the lobbyist's employer	someone who tries to persuade or induce or lead on