Grieving relatives of domestic helpers killed in the Tai Po fire have struggled to break the news to victims’ children while fending off scammers targeting their compensation from Hong Kong authorities, according to a workers’ rights advocate after a trip to Indonesia.

Esther Tse Yan-yin, an organiser from the Association for the Rights of Industrial Accident Victims, travelled to Indonesia in January to visit the immediate relatives of eight helpers who died in the inferno at Wang Fuk Court...