Dubai....
"With immigrants, who come particularly from India, Bangladesh, and Pakistan, comprising over 90 percent of the country's private workforce, the UAE attracts both low- and high-skilled migrants due to its economic attractiveness, relative political stability, and modern infrastructure—despite a drop in oil prices and the international banking crisis in 2008."

"Heavily reliant on foreign labor to sustain economic growth and high standard of living in the country, the UAE government in 1971 introduced a temporary guest worker program called the Kafala Sponsorship System, which allows nationals, expatriates, and companies to hire migrant workers."

" ...those who condemn the Kafala system for exposing migrant workers, especially domestic workers, to abusive practices. Recent measures have ranged from outlawing employer confiscation of workers' passports to allowing workers to transfer employer sponsorship and introducing wage protection measures."