Anyways once she turns 18, he can't do f uck all because she is no longer a minor and can do whatever she wants, as long as she doesn't lives under their roof anymore.
Not true. Don't you know the Golden Rule? "He who has the gold, makes the rules." Or "He who pays the bills, makes the rules."
Anyway the father seems over protective, and this could be a major culture clash for you, making her incompatible due to 1) the way she was likely brought up and 2) interference from her father.
As a guy, I prefer to meet the parents soon so I can see how messed up or balanced they are. The nut doesn't fall far from the tree.
I have a long time interest in psychology, specializing in relationship dynamics for 30 years.
(Please note, we give the best advice we can based on the information given in a post. For better advice, please include the age of all romantic partners.)