What does Surya mean?
Sanskrit name meaning 'the sun' and the name of the Hindu sun god. The fire connection is the sun as a celestial fire rather than fire directly; its primary sense is 'sun'.
What does Aarnav mean?
From the Sanskrit अर्णव (arṇava), meaning 'ocean' or 'sea', literally 'the foaming/surging water'. A well-established classical Sanskrit word for a great body of water, commonly spelled Arnav or Aarnav.