Analyst (noun)

1. A person who analyzes something, especially data or a problem.
2. A person who practices psychoanalysis.

Origin:

Late 16th century: from french analyste or modern latin analyst, from greek analutēs "one who breaks up", from analuein "loosen, release", from ana- "up" + luein "loosen".

Examples:

1. The financial analyst predicted that the stock market would rise.
2. The analyst concluded that the company's profits were being affected by increased competition.
3. The patient was sent to an analyst to help understand their deep-seated anxieties.
4. The analyst carefully examined the patient's dreams to gain insight into the unconscious mind.
5. The political analyst's report provided valuable insight into the motives behind the government's actions.