A blackbelt is considered an expert in karate. He/she is called Sempai. However you have to attain 3rd Dan to become an instructor.
A fifth degree is known as a godan. Go is the Japanese word for five and Dan represents the higher level of blackbelt as opposed to kyu.
impossible
{| |- | You can buy a blackbelt over the internet or at a store in a few minutes. But it means nothing without the work and understanding. It takes years to earn a blackbelt. |}
Around 4 to 5 years
No he is not. He does not really take karate.
a lot
Arnold Snyder
no he's a 3rd degree black belt
Six sigma blackbelt
No, there is no restriction on belt colors in the US. In some styles, red indicates a level in the kyu range. In traditional Okinawan karate, red indicates someone that is 9th or 10th degree blackbelt.
SUBUL WASI, SHE'S A NINJA IN DISGUISE O.o