There are ministries. And there are ministries.
Some ministries in life a person can spend a lifetime planning. Like how to become a paramedic or how to join the fire department or how to go about being an advocate for people in need. In all those ways, and many more like them, some special kinds of people set out to serve those who need a hand up in hard times or continuing support even in good times. Those positions we institutionalize. Those things the rest of us take for granted these others will do. These people we call the professional guardians of a society.