How do you deal with prejudice ?

Question

if you do not like or do not want to talk with or have any dealings with a person, and they persist or become violent, what is your solution,(example, there are people i do not want to even talk with, and i do not like to listen to them or live near them, ( i went to school with and lived near them for decades, and they to me are serious causes of personal and unhappiness to others( what should i do, when these people become aggressive and demand to be acknowledged, and spoken to, or with":::and i don,t want to speak to them i don,t like their culture, or their outlook towards other people of different nationalities and races, what to do.

Answer 1

Tell them to ***** off.

Answer 2

..... just ignore them.