If you fit one of the 16 definitions of the word master, then call yourself a master.
What you just said sounds like you don't want to learn anything from people who know what they're doing. It seems like you expect to jump right in there and get your hands dirty, as if submissives should be willing to be your guinea pigs. Just remember that it's all fun and games until someone gets hurt in a bad way.
Age has nothing to do with it. It's all about the attitude.