Hello I have worked at a Humane Society.  It is a group that aims to stop human or animal suffering due to cruelty 
Really
In alot of places  the word Humane Society is  used mostly for societies for the prevention of cruelty to animals (SPCA).
ok
It also does other things like provides a waterways rescue, prevention, and recovery service
What do humane society do?
British Royal Society for the Prevention of Cruelty to Animals (RSPCA), was set up in Victoria in 1871.