osiguranik

1. (in insurance) insured person; the insured
   Svaki osiguranik ima pravo da izabere lekara. — Every insured person has the right to choose a doctor.
   Na šalteru su tražili broj osiguranika. — At the counter they asked for the insured person's number.

The feminine form is osiguranica. In insurance contracts the policyholder, i.e. the party that takes out the policy, is "ugovarač osiguranja" and may be a different person from the osiguranik.