Apart from teaching and many white-collar and high-paying jobs in Korea, there are also EPS of migrant workers. https://graciasimagenes.com/%EC%97%AC%EC%84%B1-%EA%B5%AC%EC%9D%B8%EA%B5%AC%EC%A7%81%EC%9D%98-%EC%83%88%EB%A1%9C%EC%9A%B4-%ED%8C%A8%EB%9F%AC%EB%8B%A4%EC%9E%84-%EC%9B%A8%EC%9D%B4%ED%84%B0%EC%95%8C%EB%B0%94%EC%9D%98-%EA%B8%B0/