restless spirit

Translations
беспокойный дух
He has a restless spirit and is always seeking new adventures.
У него беспокойный дух, и он всегда ищет новые приключения.
Definitions
A restless spirit refers to a person who is unable to find peace or contentment, often characterized by a constant desire for change, adventure, or new experiences. It can also imply a sense of unease or dissatisfaction with one's current situation.
Words
spirit

noun
дух
restless

adjective
беспокойный