"Her fear is natural."

Translation: Ο φόβος της είναι φυσιολογικός.

[sa41]

ο φοβος της ειναι φυσικος ???

[NancyKira]

Yes
The sentence "ο φόβος της είναι φυσικός" means that it is normal for her to be scared.
(maybe because she had a rough time, because she was stolen or something like that)