@fast,
Someone wrote that nature does not have ability. I would disagree with that notion, on the grounds that it was nature that created human beings. It would be a separate topic to discuss why nature did this, but the creation of humanity had to be endowed with free will, simply because no potential could be realized if it were any other way. The same is true for all life on Earth, with the only limitations to their free will being the constraints of the environment they find themselves in. In other words a worm was born to be a worm, a whale was born to be a whale etc.
Humankind is relatively free of these limitations, with the result that free will is able to be given its head, unfettered by the reins of life imposed on other creatures.
Free will allows benevolence to exist, it also allows malevolence to exist. The side of this double edged sword one chooses to come down on is directly attributable to free will, and nothing else.
I do not think the question should be so much
what is free will, as to
how we use it.
Someone else said that many humans are afraid of freedom, I feel this is true, unfortunately.
I'm sure a fish feels fear when taken out of water and a bird likewise when put in a cage. The same is true of a family member subjected to malevolence by the dominant force in their family, or the population of a country when similarly treated by their government.
When free will is suppressed by the environment it finds itself residing in it will eventually revolt. I like to think the views we are able to express here are a form of revolution that is instigated by the free will that is sought, and for that we should all be thankful.