guru

1. guru; spiritual teacher
   Otputovao je u Indiju da nađe svog gurua. — He travelled to India to find his guru.
2. guru; leading expert
   On je pravi guru marketinga. — He's a real marketing guru.
   Svi slušaju savete tog fitnes gurua. — Everyone follows that fitness guru's advice.

Unlike in English, the word is declined: gurua, guruu.