Some people will be rude. Others will be disrespectful. There are also those who will cheat you out of your money or mistreat you in some way. Whatever the situation, try not to allow yourself to retaliate in response. Allow God to handle the situation for you. He said he would deal with them on your behalf, so let him. It’s okay to be frustrated or even irritated by the situation. But never allow the situation to cause you to take revenge. Be responsible for your own actions and behave the way God desires for you to behave. Do all that you can to live in peace with everyone. Let God fight your battles.
“If it be possible, as much as lieth in you, live peaceably with all men. Dearly beloved, avenge not yourselves, but rather give place unto wrath: for it is written, Vengence is mine; I will repay, saith the Lord.” Romans 12:18-19