Guess the theme?

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Across
  1. 1. True person, faithful through and through
  2. 3. Showing courage and fearlessness in the face of danger.
  3. 5. Unwilling to change one's stance or opinion.
  4. 7. Persisting through challenges with determination.
  5. 9. Something Mayur say to all the time, like (without space).
  6. 11. Feeling and exhibiting concern and empathy towards others.
  7. 12. Having strong emotions or intense dedication towards something.
  8. 15. Fairness and impartiality in the treatment of others, often sought in legal systems.
  9. 16. Personal oasis for nurturing growth and finding inner peace.
  10. 19. Embrace the freedom of the open road and the rhythm of your stride.
  11. 21. Guided by a set of moral principles or ethical standards, acting with integrity.
Down
  1. 2. Seeking thrills and new experiences.
  2. 4. The pursuit of professional advancement and success.
  3. 6. Embarking on adventures in the natural world.
  4. 8. Intense emotions or enthusiasm towards something.
  5. 10. Indulge in captivating tales.
  6. 13. Genre of music often characterized by storytelling and emotion.
  7. 14. Sport that involves exploring the underwater world.
  8. 17. Bond between individuals based on mutual trust and support.
  9. 18. Two attractive features.
  10. 20. Unwavering support system and source of unconditional love.