It can be very important to do something you believe in if your job is not fulfilling and only to earn money. If you feel like you've gotten a thousand times in your life sitting in front of the TV for the umpteenth repetition of a series or another golden star on Overwatch, something very important and fundamental is missing. Something like a real sense, a goal and which must be there more than what you are experiencing.
One way to find this is to do something in your spare time to make our world a better place. To do something for others and for oneself. How much of your time you invest or what is entirely up to you. You can find out more about the possibilities here.