Peacenik

Take your peacenik hippyism elsewhere, the world is about to get a lot more dangerous.

Source: tatoeba (11331647)

If I lift a finger, or my voice, I either throw my support behind those who would prefer a dead planet to a Red planet, or I throw my lot with the Peaceniki.

Source: wiktionary

[Robert] Gillette’s counsel seems one of despair—little or nothing can be done to halt the inexorable movement toward superpower conflict, so don’t be fooled by peaceniki bearing a message of hope.

Source: wiktionary

THE AMERICAN PEACENIKI / Even if the true believers have not been replaced with KGB agents when Americans visit, it is doubtful that most Russians would speak frankly. Los Angeles Times reporter Robert Gillette quoted a Moscow scientist—who is bitterly opposed to his country’s invasion of Afghanistan—about the naiveté of Americans concerning Soviet statements on their system. […] According to Soviet intellectuals, Americans who swallow their line are fools, commonly called “peaceniki.”

Source: wiktionary