A philosopher is a person aspiring to know the Divine Wisdom of physical and spiritual Laws of the surrounding world. 
Philosophy (from Greek phileo love, sophia wisdom, philosophia love of wisdom) is a love of learning the Wisdom of God's Laws, finding ways to achieve and implement them discovered by Patriarchs, Prophets, Christ and Apostles in the Holy Scriptures. 
  Negative meaning. 
"Philosophy" is a sinful worldview, justification of sinful thinking and way of life by various pseudo-arguments, ideologies, doctrines that contradict the Truth of God's Will, His Commandments, the Teachings of the Prophets, Christ and His Apostles.