Most people act out of self interest. Most people are only interested in themselves. The most important thing for everybody out there are their own needs and desires.
Confusing your needs and desires to be the same like everybody else's needs and desires won't get you anywhere.
What you need to do instead is to appeal to other people's needs and desires. You need to figure out how you can incentivize other people. What their motivations are. What their needs are. What their desires are. And then you need to give it to them.
If someone's main interest is to make more money, show them how you can help them make even more money. Or save costs. Don't try to appeal to anything else.
If someone's main interest is to do charitable things, show them how supporting your vision will help them to appear charitable. Don't try to appeal to anything else.
It really is about understanding your opponent's needs and desires. And once you figured that out you need to give it to them. That's the fastest way to success. Whatever that success might look like for you.
Ultimately, you need to help others before you help yourself. You always need to give before you get..
[Related: I stopped giving a shit a long time ago]