When you first start learning Japanese, it is easy to get confused about how to address people correctly.
The first form of address many learners come across is ‘san’. San is such a useful general purpose address that at first that it becomes easy to forget that there are plenty of others.
Keep studying and soon you will soon come across sama, then kun and chan, may even hear tan.
The different uses of all of these addresses can be quite difficult for learners, so here we’ll look at some of the common uses.http://blog.gaijinpot.com/how-to-address-people-in-japanese/