Definition that contains formant
- leaker a surreptitious informant
- 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 an informant who exposes wrongdoing within an organization in the hope of stopping it
- whistle-blower an informant who exposes wrongdoing within an organization in the hope of stopping it
- whistleblower an informant who exposes wrongdoing within an organization in the hope of stopping it