IN the densely populated West Kelapa Gading area, he lived with his wife for the past 12 months. He was known by his neighbors as Wahyu, the well digger. His 15-square-meter house has wooden walls and cement flooring. The house is one of two leased houses owned by Mudatsir, a construction worker residing in the same kampung.

Thousands of migrant workers live on Jalan Gading Sengon, Kepala Gading, North Jakarta, just a few hundred meters from th