whistle-blower in Polish
whistle-blower in Polish
sygnalista
(slang, chiefly, US) One who reports a problem or violation to the authorities; especially, an employee or former employee who reports a violation by an employer.
sygnalistka
(slang, chiefly, US) One who reports a problem or violation to the authorities; especially, an employee or former employee who reports a violation by an employer.