Final answer:
An intelligence officer, also known as a secret agent or spy, is a person employed by an organization to collect, compile, and analyze information. Other terms for an intelligence officer include undercover agent, covert operative, and espionage officer.
Step-by-step explanation:
An intelligence officer, also known as a secret agent or spy, is a person employed by an organization to collect, compile, and analyze information that is of use to that organization. They work for organizations such as armed forces, police, civilian intelligence agencies, and customs agencies. Some other terms for an intelligence officer include undercover agent, covert operative, and espionage officer.