korisnik

1. user
   Aplikacija ima više od milion korisnika. — The app has over a million users.
   Korisnik je zaboravio lozinku. — The user forgot his password.
2. (of benefits, aid, a loan) recipient; beneficiary
   Korisnici socijalne pomoći dobiće jednokratnu isplatu. — People on social welfare will receive a one-off payment.
   Broj korisnika penzija svake godine raste. — The number of pension recipients grows every year.

The feminine form is korisnica.