I have, unfortunately, heard about quite a few stories of fathers/husbands who were in kolel full time and then suddenly passed away leaving the family at best with very little savings and at worst with many debts. This prompted my question which is: is there an obligation for someone to purchase life insurance?
Some of the factors that might be involved here are what the financial state of the family is. If the family can afford the insurance. In addition the level of bitachon they are operating on could possibly affect the halacha.