Ster, originally invented by Shri Ganeshram. A shortened version of gangster, this word was originally used to describe him. The catchiness of the phrase has grown among the members of pop culture. The "im a ster" rap song was written by Ster (shri) who considers himself a "rapster".
Shri: Ay foo, I aint no thug, i'm a ster. A rock ster, a rap ster, and a pop ster.