iznajmiti

1. (as a tenant) to rent; to hire
   Iznajmili smo stan na Vračaru. — We rented a flat in Vračar.
   Na aerodromu sam iznajmio auto. — I rented a car at the airport.
2. (as an owner) to rent out; to let
   Iznajmila je sobu jednom studentu. — She rented out a room to a student.

The construction shows the direction: iznajmiti od koga is to rent from someone, iznajmiti kome is to rent out to someone.