Elvin Ng and his mother recently travelled to Indonesia to surprise their former helper, whom they had not met for 12 years. The reunion was featured in the latest episode of CNA's On The Red Dot released on Aug 24, which saw the 45-year-old actor and his mum Linda Chew travel to Depok City to meet Jumiyati, Jumi for short, at her home. In the episode, the 42-year-old shared that she had come to Singapore to earn more money and worked for Elvin's family for six years, from 2008 to 2014. Elvin said that he was "close-knit" with Jumi and, compared to the other helpers in his family, she was the closest in age to him and his siblings. He…