Anti-Defamation League

The Anti-Defamation League (ADL; formerly known as the Anti-Defamation League of B'nai B'rith) is an international Jewish non-governmental organization based in the United States. Describing itself as "the nation's premier civil rights/human relations agency", the ADL states that it "fights anti-Semitism and all forms of bigotry, defends democratic ideals, and protects civil rights for all", doing so through "information, education, legislation, and advocacy"

(Taken my Wikipedia)