novajlija

1. beginner; novice; rookie
   Nemoj da praviš greške kao neki novajlija. — Don't make mistakes like some rookie.
   On je novajlija u politici. — He's a newcomer to politics.
2. (in a group) newcomer; new guy
   Novajlije u firmi uvek časte kafom. — The new people at the company always buy everyone coffee.

Declines like feminine nouns in -a, but takes masculine agreement when it refers to a man: "jedan novajlija".