An analyst is a professional who performs various tasks related to data collection, analysis, and interpretation. An INVESTIGATOR is someone who looks into matters of interest or concern in order to discover facts or information. An EVALUATOR is someone who assesses the value or quality of something. An INQUISITOR is someone who questions or investigates something in order to discover the truth. A PSYCHIATRIST is a medical doctor who specializes in mental health and diagnoses and treats mental illnesses. A REVIEWER is someone who examines something in order to form an opinion or make a recommendation. An INTERPRETER is someone who translates spoken or written words from one language to another. A CRITIC is someone who evaluates something in order to form an opinion or make a judgment. A SHRINK is a slang term for a PSYCHIATRIST. An EXAMINER is someone who inspects or tests something in order to determine its condition or quality. An ACCOUNTANT is someone who records and analyzes financial transactions. Systems is a term used to describe a set of related components that work together to achieve a common goal.