Will destiny be fulfilled and the woman be united with the man whom she disrespected, or has her action severed this destiny?

Interaction between a man and a woman who are not mahram must adhere to শরীʿআ (Islamic law) guidelines, including no khalwa (private seclusion), adherence to hijab, and avoiding a soft or alluring tone of voice. It is commendable for people to interact with kindness and goodness. If a person has been wronged, one must repent to Allah, because despising a Muslim is forbidden. If Allah has decreed your marriage to a specific person, it will inevitably happen, and this is part of believing in divine decree (al-qada wa al-qadar).