Why Is God Raising Up Prophetic People and Prophetic Teams in Churches?

Why is God raising up prophetic people and teams in churches?  How does prophetic ministry impact individuals and the church?  What about the damaging impact of a false prophecy?  How does one cooperate with their prophetic words?  How do we "fight" for our prophesied future?  What can cause a person or church to miss their prophetic future?  What is a word of wisdom or word of knowledge?  How do we distinguish between true spiritual gifts, true  prophetic ministry, witchcraft and divination?  What are the awesome benefits of having Prophets and prophetic people in your life?