The dubbing/voice over artist is the person who lends his/her voice for any character. Movies are not only the work area for dubbing artists, they can also get the job in commercials, corporate narrations, animation movies or cartoons, e-learning...
A Disc Jockey or DJ is a person, who plays music at different events and locations like night clubs, discotheques, parties, marriages, radio stations etc for available people. A professional DJ must have knowledge of different music genre.
The job of a Video Jockey or VJ is to host a music show on television. It includes announcing the viewers about the upcoming music video and other details about it like singer, lyricist, album/band/movie name etc.
Radio Jockey or RJ, is the person whose job is to host a radio show. RJ job includes playing music, interviewing celebrities, Reading news etc. Radio is a fast growing industry in India, if you have a passion for music, then this is for you.