 Welcome to the Voice of America's Newswords. The United States Supreme Court recently ruled that an immigration policy, in effect since 2019, violates the Constitution. Advocate The policy forced tens of thousands of migrants to stay in Mexico while awaiting U.S. hearings on their asylum claims. Immigration advocates say the policy put the lives of migrants in danger. An advocate supports or defends an effort, idea, or person. The word is also a verb as in. We advocate for learning American English.