Ron March...Cest Que Account & Nation Time

“cestui que” is french meaning “he or she who” in the context of “the person for whom a benefit exists”.

A “cestui que vie” is the person whose life is used to measure various things, such as the duration of a trust, a gift, or an insurance contract. The duration of rights to land or property. It can also be used to mean the person upon whose life a policy of life insurance is drawn.