bogatiti

1. to enrich
   Čitanje bogati rečnik. — Reading enriches your vocabulary.
   Putovanja nas bogate novim iskustvima. — Travel enriches us with new experiences.
2. (bogatiti se) to get rich
   Neki se bogate na tuđoj muci. — Some people get rich off other people's misery.

The perfective is obogatiti (obogatiti se — 'to get rich'); 'to get rich on / profit from something' is bogatiti se na + locative.