informant

in·for·mant  (n-fôrmnt)

n.

1.

a. One that gives information.

b. One who informs against others; an informer.

2. One who furnishes linguistic or cultural information to a researcher.

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informant

Noun

a person who gives information

Thesaurus

Noun	1.	informant - a person who supplies information     source communicator - a person who communicates with others betrayer, blabber, informer, squealer, rat - one who reveals confidential information in return for money leaker - a surreptitious informant; "the president wanted to know who the leakers were" passive source - an informant who is not assigned to obtain specific intelligence but who routinely passes on whatever information he or she has whistle blower, whistle-blower, whistleblower - an informant who exposes wrongdoing within an organization in the hope of stopping it; "the law gives little protection to whistleblowers who feel the public has a right to know what is going on"; "the whistleblower was fired for exposing the conditions in mental hospitals"
	2.	informant - someone who sees an event and reports what happened witness, witnesser beholder, observer, perceiver, percipient - a person who becomes aware (of things or events) through the senses attester, attestant - someone who affirms or vouches for the correctness or truth or genuineness of something speaker, talker, verbaliser, verbalizer, utterer - someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous); "the speaker at commencement"; "an utterer of useful maxims" deponent, deposer, testifier - a person who testifies or gives a deposition

Translations

informant [ɪnˈfɔːmənt] n → informante m/f

informant [ɪnˈfɔːmənt] n → informateur/trice

informant [ɪnˈfɔːmənt] inform n → Informant(in) m(f)

informant [ɪnˈfɔːmənt] n → informatore/trice