Re: What would you do? (Older male teacher with young female student)
Work for a solution at the source, if possible.
Go for a solution to the police, if necessary.
That quiet voice at the back of our minds is often onto something that our conscious thought-track won't accept. However, it's important to distinguish the important, immediate and permanent from their opposites.
The culture of a place can change, for example, though situational awareness and caution is highly important. For your daughter, if you believe the issue is localised to the people/style of your dojo, you way want to shop around.