Detailed Solution:
The correct answer is “Both (a) and (b) ”.
The Magsaysay Award winners for 2018 are:
Youk Chhang, a Cambodian genocide survivor, and human rights activist.
Maria de Lourdes Martins Cruz, a Timorese public servant and advocate for social justice.
Howard Dee, a Filipino diplomat and peace advocate.
Vo Thi Hoang Yen, a Vietnamese entrepreneur and education reformer.
Bharat Vatwani, an Indian psychiatrist and social activist who has dedicated his life to rescuing and rehabilitating mentally ill people living on the streets.