Empathy is a good start. Replace your anger with understanding. I am not sure how to completely handle this situation; I am no sage. We are all only human.

But it was Laozi that had once said,

“The kind are the teacher of the unkind, And the unkind are the lesson of the kind”.

You can see this as an astoundingly unlucky senerio, or as an astoundingly lucky one too. You’re being given the chance to test yourself and what it means to have enteral kindness. That is a true blessing.

Do not try and attack the person and their personality. That will only bring distress. Confront them with a caring hand. Let them realize that what is inside you is undescriminated virtue, and that you’re not there to insult or attack them. Even the beautiful lotus flower is grown from the murky mud below it. Inside of all of us is virtue and kindess; what you have to do is help them find it.