campaign vs campaigner

campaign and campaigner both are nouns.

Word	Noun	Adjective	Verb	Adverb
campaign	Yes	No	Yes	No
campaigner	Yes	No	No	No

campaign (noun)	campaigner (noun)
several related operations aimed at achieving a particular goal (usually within geographical and temporal constraints)	a politician who is running for public office
an overland journey by hunters (especially in Africa)
a series of actions advancing a principle or tending toward a particular end
a race between candidates for elective office

campaign (verb)	campaigner (verb)
go on a campaign; go off to war
run, stand, or compete for an office or a position
exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for