What's a Private Investigator?

According to the State of Oregon, "investigator” means a person who engages in the business of obtaining or furnishing, or who solicits or accepts employment to obtain or furnish, information about: Crimes or wrongs done or threatened against the United States or any state or territory of the United States; the identity, habits, conduct, business, occupation, honesty, integrity, credibility, knowledge, trustworthiness, efficiency, loyalty, activities, movements, whereabouts, affiliations, associations, transactions, acts, reputation or character of any person; the location, disposition or recovery of lost or stolen property; the cause of or responsibility for fires, libels, losses, accidents, damages or injuries to persons or property; or evidence to be used before any court, board, officer, referee, arbitrator or investigation committee.