Answer :a obligation.
The word obligation means βto be bound to act in a certain way either morally or legally.β
Hence when one is in need of money to start a business, family members may lend the money because they are bound to help you in times of need.
Loans from family members are usually interest free.
However, if the loan is not repaid, relationships quickly turn sour.
Hence loans from family member must be treated with respect and care, in order to maintain relationships.