How to deal with many of the world's troublemakers

Nobody lives on planet Earth for long without discovering that it's full of troublemakers - people who delight in making life difficult for others. Almost immediately most of us start our interactions with other people as young children, we come across some kid who wants to stir things up for no good reason. Gossipers, bullies, back-stabbers, drama queens, busy-bodies and mischief-makers lie in wait for us in any social situation.

Waste of time that most of these people are, how to deal with them can become a major issue in almost any person's life. So how do you do it?