1) Astrologist 2) Faust 3) Forecaster 4) Fortune teller 5) Horoscope expert 6) Horoscope writer 7) Horoscope-maker 8) House examiner 9) Predictor 10) Prognosticator 11) Reader of heavenly signs 12) Soothsayer 13) Star reader 14) Star-guided seer 1) Astrologist 2) Nostradamus 3) Oracle 4) Stargazer 
An astrologer practices one or more forms of astrology. Typically an astrologer draws a horoscope for the time of an event, such as a person`s birth, and interprets celestial points and their placements at the time of the event to better understand someone, determine the auspiciousness of an undertaking`s beginning, etc. However, the methods emp.....
• (n.) One who practices astrology; one who professes to foretell events by the aspects and situation of the stars. • (n.) One who studies the stars; an astronomer.
Those who practice divination through the stars, planetary cycles, and other such things.
As·trol'o·ger noun [ See Astrology .] 1. One who studies the stars; an astronomer. [ Obsolete] 2. One who practices astrology; one who professes to foretell events by the aspects and situation of the stars. 
[n] - someone who predicts the future by the positions of the planets and sun and moon
astrologist noun someone who predicts the future by the positions of the planets and sun and moon