astrologist

Noun

 * 1) One who practices astrology; an astrologer.
 * 2) * 2003, Dr. Abu Ameenah Bilal Philips, The Islamic Ruling on Horoscopes, in The Friday Bulletin: The Muslim News Update, Issue 29, Part 184, Muslim Media Network, Kenya, page number not shown,
 * Not only is the practice of astrology Haram, but also visiting an astrologist and listening to his predictions, buying books on astrology or reading one's horoscope are also forbidden!
 * 1) * 2003, Dr. Abu Ameenah Bilal Philips, The Islamic Ruling on Horoscopes, in The Friday Bulletin: The Muslim News Update, Issue 29, Part 184, Muslim Media Network, Kenya, page number not shown,
 * Not only is the practice of astrology Haram, but also visiting an astrologist and listening to his predictions, buying books on astrology or reading one's horoscope are also forbidden!

Usage notes
The form is more common, perhaps through influence from.