If good can only come about through the overthrow of existing social order, so be it. Social structure itself has no innate value to them. A baron who violates the orders of his king to destroy something he sees as evil is an example of a Neutral Good character. True Neutral True Neutral characters believe in the ultimate balance of forces, and they refuse to see actions as good or evil. Since the majority of people in the world make judgements, True Neutral characters are extremely rare.
True Neutrals do their best to avoid siding with the forces of either good or evil, law or chaos.
It is their duty to see that all of these forces remain in balanced contention. True Neutral characters sometimes find themselves forced into rather peculiar alliances. To a great extent, they are compelled to side with the underdog in any given situation, sometimes even changing sides, as the previous loser becomes the winner. A True Neutral druid might join the local barony to put down a tribe of evil gnolls, only to drop out or switch sides when the gnolls were brought to the brink of destruction. He would seek to prevent either side from becoming too powerful.