It is being free of poverty. It is Healing. Salvation is being saved from Death, Hell and the Grave. You need to be saved from eternal damnation, eternity in torment. Yes, you are saved from whatever is plaguing or burdening you.
Salvation is for all mankind.
No, they made their choice already, a long time ago. Salvation was meant for mankind only. Yes, there is only one thing that will keep you from salvation, and that is rejecting your salvation. Salvation is not based on how much good or wrong you have done, it is based on what Jesus did for you. Now, waiting can mean eternity in Hell.