Here is what I took from your meeting with Tan Wei Han. I have organised it into the panel on the right: the topics raised, the actions you promised, and who to bring in.
Edit anything there directly, or ask me about him.
His family is the exposed point. He holds only an employer medical card, has a three-month-old daughter, and no dependant cover or education plan. Separately, the business stops if he is out for a few months, an uncovered key-man risk.
Here is the rough shape of the gap against a basic needs estimate.
Here is a draft update to Tan Wei Han's record from today's meeting. Edit anything, then apply it.