Responsibility

Responsibility- I’m more confused with this word. What really the world needs from a person? What is the meaning of being responsible? What can he achieve by being a responsible person?
The word responsibility/duty of an individual is not a universal law to be followed. To say with a simple example, consider the soldiers of different countries.
a. If he is responsible to his own country (by serving the nation with patriotism) then he fails to fulfill the duty of the basic human called Humanity. He kills his same species.
b. If he wants to fulfill the duty of humanity by becoming a saint, then he fails the duty of the worldly person of bringing up his generations, his other duties and all blah blahs
c. If a person lives in this world unattached with everything, then he is not satisfying any of the duties laid by the world.

First of all, who laid all these duties/responsibilities? Does God really tell the people to do this thing and to be responsible? If yes, I’ve one question; God created men and he had all the powers to change. But look at the present situation. It is going out of his hands or no one is fulfilling their responsibility. If God is a responsible person, then he should have changed this scene a long back. Does this imply that God is irresponsible?
For each and everything, humans are comparing with other animals for his sixth sense. (Actually I don’t know what is there to be proud of having the sense). For the community (birds, animals), togetherness (birds), hard work (ants), etc they compare with animals and they want the humans to be living like the same. Is it really happening? Even though animals have an imaginary LOC, they didn’t fight like us. They respect each other’s individuality. But in the case of humans, the respect is either in the form of the societal status or in the power.
My another question is whether this responsibility/duty is only to the humans? If it is a universal law, then it should have applied to all the animals’ right? Some strange duties like the parent has to look after the child for certain age and he should in turn look after his father after certain age. I don’t think any other animals will look after the old ones. They are capable of surviving by own. Why don’t people look on this animal behavior to follow?
If any one denies then it clearly indicates that this whole funda is just for own luxury and nothing else. I know one wise saying that “Every other animal are created with a pre defined character/behavior and only humans are created out of void in which he has to develop his own skills on it”. If a fish is created, it is simple to create that it has to swim, eat this food only, reproduce by this method and they’ll end its life. This is not the case with humans as he doesn’t know how he’ll be in the future. But the fish is always the same fish till its death.
Also, we can’t tell this is the truth and this is the reality. To make it simple, there is nothing called truth. As said in Matrix “What is real? How do you define real? If you're talking about what you can feel, what you can smell, what you can taste and see, then real is simply electrical signals interpreted by your brain”. The truth varies from person to person, culture to culture and from civilization to civilization.
So in my view, there is nothing wrong if one person is irresponsible. What you feel as an important duty to be fulfilled is not important for that person in his view. The individuality varies from person to person. I wonder how the world will be if there are no comparisons among the people and simply accepting the UNIQUENESS