A journalist is someone who investigates, collects and presents information as a news story.
A librarian is a professional trained in information science.
A professor is someone who instructs students in a wide variety of academic and vocational subjects beyond the high school level.
A member of the clergy (a clergyman or clergywoman), is someone who is an ordained member of a religious order, and conducts religious worship, performs spiritual functions associated with religious faith, and aids in the spiritual well-being of the congregation.
5. Social Worker
There are two main types of social workers: direct-service social workers, who help people solve and cope with problems in their everyday lives, and clinical social workers, who diagnose and treat mental, behavioural, and emotional issues.