The Title of Master, Grandmaster, etc.

Get to a certain level or attain a certain rank and you will earn the right to be called a Master or Grandmaster. In Taekwondo, once you hit 4th degree you can be called Master. In the hard styles of Karate (Shidokan, Kyokushin, etc.) your are called a Shihan-Dai (low level Master) and at 5th degree you are a Shihan. These titles are used for accomplishment, respect, etc. I personally will never used the title of Master. I am like an enlisted guy in the military who says, "Don't call me Sir, I work for a living". I still grind it out with beginners and advanced students alike. I sweat right beside them. What's around your belt doesn't say anything, but your actions do.