progon

1. (political, religious) persecution
   Mnogi su pobegli iz zemlje zbog političkog progona. — Many fled the country because of political persecution.
   Progon hrišćana trajao je vekovima. — The persecution of Christians lasted for centuries.
2. (physical chase) pursuit; chase
   Progon begunaca trajao je celu noć. — The pursuit of the fugitives lasted all night.
3. (in legal contexts) prosecution
   Tužilaštvo je odustalo od krivičnog progona. — The prosecutor's office dropped the prosecution.
4. (of a population, people) expulsion; banishment
   Rat je doneo progon hiljada ljudi sa njihovih ognjišta. — The war brought the expulsion of thousands of people from their homes.

For a physical chase, potera is more common. In legal language the official term is krivično gonjenje, though krivični progon is also widely used.