If I really wanted to make a difference I would..
Refuse to live above my means.
Saying no to frivolous debt may seem limiting at first, but in the long run, you will be rewarded with a sense of liberation and empowerment. Don’t trade your freedom for some cool new gadget. Save for things worth having and make a conscious choice to forego those purchases you can’t afford. You will quickly see a difference in your stress level, your sense of well-being, and your ability to impact the lives of others. 
I'm a teacher but sometimes patience is not my virtue. I'm moody but caring, sensitive but thoughtful and generous to a fault.