Pay them a competitive salary. Protect against mission and role creep. Give something clear to work toward and a strategy to employ to get there.
As an organizational leader, these are the foundations of developing a healthy relationship with your workforce. I’ve found there are other signs of an empathetic organizational culture that you can develop, without excessive budget needs.
These are examples of ways to show your team that you actually care about them as people. It goes a long way to develop the relationships you need to take on a big challenge, particularly without a pile of money.