They are known as whistleblower.
Whistleblower is anyone that disclose secret information from any establishment that are pretty much illecal/unethical in nature.
In united states, the OSHA ensure that the right and safety of the whistleblowers will always be assured assuming the information is accurate
To obtain land you had to be working as craftsman, or another person who sells things or a person who works in the Government.
Hope this helps!
The left 4 is in the hundreds place, the middle four is in the tens place, and the right four is in the ones place; 400, 40, and 4