Life Insurance
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! (A.K.A. life assurance in some parts of the world!)
せいほ
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
生保はもちろんつみ立てですよね？
Well of course your life insurance is the reserve type, isn't it?
日本ではけんこう保険のせい度が整っているんだから、わざわざ生保に入る必要はあまりないよ。
In Japan, the health insurance system is all-inclusive, so you don't really need to purchase life insurance separately.
日本では、女性の生命保険販売員は「生保レディ」と呼ばれます。
Life insurance saleswomen are called "seiho ladies" in Japan.