Why is Salva insulted to be called an orphan?

Salva has a family that he was close to. He doesn't know if they are still alive or not.

Salva is called to be a orphan is because she is thinking that he doesn't have a family because she ask him "where is your family" but he didn't answer her, but when she ask "are you orphan" he shook his head quickly getting kind of mad at her because he knew he has a family but he just didn't know where was they at,