In·form·er n.
1. One who informs, animates, or inspires. [Obs.]
Nature, informer of the poet's art. --Pope.
2. One who informs, or imparts knowledge or news.
3. Law One who informs a magistrate of violations of law; one who informs against another for violation of some law or penal statute.
Common informer Law, one who habitually gives information of the violation of penal statutes, with a view to a prosecution therefor. --Bouvier. --Wharton.
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