You can't be responsible for someone else's losses unless you force them to invest without telling them about any downsides. Abd even then it can't be your full responsibility.
What’s crazier is if she become hugely successful, would she give all her profit to op? Obviously not. But with that logic then she should owe op at least a percentage of more of her earnings.
It does not just go one way. It’s ridiculous that some people think this way. Just purely entitled and greedy.