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"
- It means strengthening whistleblower protections for government employees who step forward to report wasteful spending.
- The guy in the bookstore was a whistleblower who had worked as an accountant in a mid-sized company with government contracts.