No matter your impact, you will eventually be forgotten, which IMO is the best case scenario–in the worst case, you're reviled for a while for something you'd never even understand or imagine while you were alive, and then forgotten anyways. The longer you're remembered, the higher the likelihood that society's values change enough for vilification. The best you can do is to try to instill your values in those around you while you're alive to live decent and comfortable lives, enough that you believe they will propagate them to those they care about after you are gone, and so on and so forth. There doesn't have to be any one name attached to such values.
