Why Prejudice?

Some individuals in society, in this world called "Mankind" always seems to be trying to alter and manipulate things as to make them seemed to be what they are not meant to be. "Prejudice is around Yes! But it defers, as "Prejudice seemed to be directed as of and for all bias intent. An individual being aware of something that's not right, that doesn't sound right, or feels right in their inner being is not "Prejudice" but only means of awakening, a discernment, the understanding to know what is right and what is wrong. For example "A man or woman walking a field knowing it has the danger of a well to fall into, would divert to another safe passage". Are they being prejudice in the field? And I know some ignorant individuals or individuals will question their decision to make it seemed prejudice. But on the right hand and with the right mentality of someone who is awakening prejudice doesn't apply here, it's just the bas...