Friend of the powerless: Abbr.

• Rights grp
• Grp. defending individual rights
• Org. that might take the government to court
• NSA wiretap challenger
• Group that defends individuals' rights: Abbr
• First Amendment advocacy org
• Org. involved with the Scopes trial
• Civil liberties org.

Wiktionary Word definitions in Wiktionary
n. (initialism of American civil Civil liberty Liberties union Union English)