1) The gun and the owner have a good relationship because of the rage of the gun. They both lend something when they go to hunt and in the beginning the gun was carried away by the owner and later smiled about it because the gun felt useless as an unused yet loaded gun.
2) The owner is a man because in the poem it says he, him, and Master in the way of speaking to and about the owner of the gun.
3) It is ironic that she is comparing herself to a loaded gun because women in that time were supposed to be polite and thoughtful and she just was in a rage. because she hadn't had the chance to express herself.
If they did not want to wash plates and switched to paper plates for lunches as well as brought in water from other places, they were trying to save water.