Search Result for "campaigner": 
Wordnet 3.0

NOUN (1)

1. a politician who is running for public office;
[syn: campaigner, candidate, nominee]

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    are supported and installed on your system.
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2 definitions retrieved:

The Collaborative International Dictionary of English v.0.48:

Campaigner \Cam*paign"er\, n. 1. One who has served in an army in several campaigns; an old soldier; a veteran. [1913 Webster] 2. one who is campaigning, especially a politician running for elective office, or one of his/her supporters. [PJC]
WordNet (r) 3.0 (2006):

campaigner n 1: a politician who is running for public office [syn: campaigner, candidate, nominee]