arhitekta

1. architect
   Moj brat radi kao arhitekta u Beogradu. — My brother works as an architect in Belgrade.
   Ko je bio arhitekta ove zgrade? — Who was the architect of this building?
2. (of a plan, reform) architect; mastermind
   On je glavni arhitekta nove reforme. — He is the main architect of the new reform.

It declines like nouns in -a (arhitekte, arhitekti); for a male referent, singular agreement is masculine, while plural agreement can also be feminine: poznate arhitekte; for a woman arhitektkinja is also used.