The definition of what an astrologer does according to the U.S. Department of Labor.

“Prepares and analyzes horoscopes to advise clients regarding future trends and events: prepares horoscopes by computing positions of planets, their relationship to each other and to zodiacal signs, based on factors, such as time and place the subject was born. Analyzes horoscope chart to advise clients, such as person or company, regarding conditions which lie ahead, course of action to follow and probability of success or failure of that action.”