persuader vs lobbyist

persuader and lobbyist both are nouns.

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

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

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

Other hyponyms of persuader include Svengali, coaxer, wheedler.

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