Druids are the protectors of nature. Some spend their lives in forests, others in deserts, and some still in seas or mountainous regions. Where a druid can be closer to nature and life than to the constructs of mortals, that druid can be happy.
They control a very powerful blend of magic, potent healing spells with devastating combat spells, but they don’t have transportation spells, as druids are not wont to travel. They aren’t always well suited for it.