* It's a misspelling. There might be a similar word you're thinking of, like "gulfstream" or "roshan."
* It's a regional term. This word might be specific to a particular region or culture.
* It's a made-up word. It could be a fictional term from a book, movie, or game.
Could you please provide more context? For example:
* Where did you encounter this word?
* What is the context of the word?
* What are you trying to find out about it?
With more information, I might be able to help you understand what "gulfaroshan" might refer to.