Anti-Defamation League

American Jewish non-governmental organization that was founded to combat antisemitism, as well as other forms of bigotry and discrimination

The Anti-Defamation League (ADL), formerly known as the Anti-Defamation League of B'nai B'rith, is a New York–based international 501(c)(3) nonprofit advocacy group, founded in 1913 with the stated purpose of combating antisemitism and other forms of bigotry and discrimination. The ADL is also known for its pro-Israel advocacy.

from Wikipedia