interesovati

1. to interest
   Politika me uopšte ne interesuje. — Politics doesn't interest me at all.
   Interesuje me koliko košta ovaj stan. — I'd like to know how much this flat costs.
2. (interesovati se za + acc.) to be interested in
   Ona se od malena interesuje za umetnost. — She's been interested in art since she was little.
3. (interesovati se za + acc.) to ask about; to inquire after
   Komšinica se stalno interesuje za tvoje zdravlje. — The neighbour keeps asking about your health.

The person interested is the object: Interesuje me muzika; "to be interested in" is interesovati se za + acc.