campaign
noun(cam-paign)
several related operations aimed at achieving a particular goal (usually within geographical and temporal constraints)
Synonyms: military campaign, 
campaign
verb(cam-paign)
go on a campaign; go off to war
Synonyms: take the field, 
campaign
verb(cam-paign)
run, stand, or compete for an office or a position
campaign
noun(cam-paign)
a race between candidates for elective office
Synonyms: political campaign, 
run, 
 Examples:
I managed his campaign for governor. 
campaign
noun(cam-paign)
an overland journey by hunters (especially in Africa)
Synonyms: hunting expedition, 
safari, 
 campaign
verb(cam-paign)
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
campaign
noun(cam-paign)
a series of actions advancing a principle or tending toward a particular end
Examples:
He supported populist campaigns.