Listening to the faint rhythm of a Cirebonese song, Tono, 33, nods his head. He hums along to the song. This radio announcer looks happy. But a moment before the song finishes, his face changes to become serious.

He reels off an appeal: "Dear listeners, our children are about to graduate from school. Please look after their future. Don't let them go off with strangers who offer promises of work overseas without clearly knowing what wor