Well of course your life insurance is the reserve type, isn't it?
In Japan, the health insurance system is all-inclusive, so you don't really need to purchase life insurance separately.
Life insurance saleswomen are called "seiho ladies" in Japan and there are rumors that some of them sleep their ways into big commissions or promotions.
A Life guarantee is something you get on someone else. If their life ends, it's guaranteed with money. That's a life insurance policy, for yah!
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.