A good way to foster humility is to work among the lowly, the young, the ill, the troubled, and the disenfranchised.
Do some research and find out about programs for the mentally-ill in your area. Then volunteer–many of these people NEVER receive a visitor because their relatives have dumped them there and forgotten about them. Become their friend.
Volunteer to help out at your closest Rescue Mission or shelter. Many times they need people to help serve daily meals, not just the big holiday meals that you see on TV.
Volunteer for your parish’s “Holy Dusters” or whatever they call their volunteer cleaning committee.
If you are cleared for it, volunteer to work with the smallest children in your parish if there is a nursery or perhaps a “Mom’s Day Out” program. Or even better, become a Big Brother/Sister (whichever), or sign up for your city’s Child Advocacy program (being with the child during court proceedings).
VOLUNTEER with your local WOMEN’S PREGNANCY CARE CENTER! This will be humbling for you and also be a pro-life action!
If it’s at all possible, give more money to your parish and live more simply. And spend time in prayer for others–keep a prayer list and use it.
And here’s one last suggestion which helps me immensely–IF you play a musical instrument, especially piano, organ, or guitar, STEP UP and volunteer to play in your parish! Boy, oh, boy, you will be humbled every week, I can assure you! (I play piano and organ for several parishes and other venues every week, and I’m constantly humbled by my own inadequacy, and if I forget to be humble, others remind me!)
Or you could start learning an instrument–you will be instantly humbled! And eventually, you can play in church and you’ll be even more humbled!