Income producer- If you are the major earning member of your family, you need to insure yourself first.
Working spouse - If your spouse is also earning then both of you could take an insurance cover in a joint-life policy. It is a good option for working couple since it could serve as a low-cost policy covering both of them.
Children - If you have children you could buy an insurance policy in their names. This would also help your children to receive a certain amount of money when they opt for higher education.
Partner/Key-person in the organization: If you have a working partner in your firm or a key-person(s) in the organization, your firm/organization could buy life insurance for them.