One person’s role can vary and can have a wide or broad scope so it sometimes overlap with other roles so you can only pinpoint his major functions. It can also be as specific as it is that you can immediately understand what a person do when he tells you his occupation. What if someone tells you he is a broadcaster? What will you think he is doing as his job in a day or in a month? Let us understand a broadcaster by seeing the roles it must perform. A broadcaster is a person who shall perform several duties and responsibilities.
Those duties relate to the successful day to day operation of the any media he is in like television or radio. It can do any variety of programs and shows until signing off. Its success is still judge by its ability to fulfill its mission and goal to provide information to viewers or listeners and entertain them. It is their satisfaction that counts to the success of the television or radio broadcast outlet. Broadcaster has the main role of educating, entertaining and informing its viewers or listeners.
Broadcaster can be also defined as the organization that transfer or transmit a useful information, message, signal or any content by media outlets like television(can have video content) and radio(audio contents). If you read more here you can understand some aspect of production you might need this time or in the present.