There are already plenty of non-profit charitable organisations focussing on different aspects of social need and care. For example, you could donate to a childrens' charity, one for the homeless and mentally ill, or even those seeking to rescue, shelter and re-home stray, abandoned and mistreated animals.
The Samaritans (a help organisation for those despairing or contemplating suicide) is also a worthy cause.
Why not volunteer for one of these?
I hope you find what you seek.