Earlier quoted context omitted.
Sure..the thing I don't understand is why she didn't go to a lawyer? That would have been the next logical step for me. At least 1 person should get to prison if there is enough evidence collected by multiple women.
A union representative is the next logical step. They will be able to represent you anonymously at first, and bring a collective action against the perpetrator if there have been multiple incidents against multiple victims. If you wish to take it to court yourself, then they may also be able to provide you with or help you find an appropriate lawyer for the case.
Are you based outside the US? Unions aren't particularly prevalent in the US, at least not in professional fields.