He was engaged in social and pastoral work with the families of victims of the many disappearances and killings which were taking place in that area.
Mary Bastian and George Jeyarajasingham became the focal point of human rights activism on behalf of the local people.
He and Mary Bastian became the local contact for the Sri Lankan government appointed presidential committee to investigate Human Rights violations in the Mannar district.
Along with his driver Abdul Cader Sulaiman, his Sinhalese wife Brigette Jeyarajasingham and a police constable named Jesuthasan Roche attached to the Murunkan police station, he was allegedly stopped by Sri Lankan Army personnel while traveling from Mannar to Murunkan.
Mary Bastian collected the remains of victims including Jeyarajasingham and handed them over to the Jeevothayam Methodist Center.