Quick vocab check

A person whose job is to type letters or documents and help the Manager/Director to solve problems is called

A person who writes and sells books is called

A person who composes and sells songs is called

A person who teaches any skills is called

A person who helps through a researching process is called

A person who travels beyond the Earth is called...

A person who instructs actors and actresses to perform in a movie is called

A person who leads a region in a country is called...

A person who goes to different places and interviews people to get information for writing articles is called...

A person who studies a particular subject to gain fully understand it is called...