"Humble service" refers to the act of helping others or performing tasks without seeking attention or praise. It involves serving others with a modest and selfless attitude, putting their needs and well-being before your own. Full definition
They think of themselves as helping mothers and babies through acts of humble service. (honestmidwife.com)
What has in fact been is that many have been alienated by a teaching that places believing very doubtful ideas about Jesus over following him in humble service even when that entails sharing in his suffering. (religion-online.org)
Christianity seems to be chasing glamor, glitz, and glory, not humble service and simplicity. (redeeminggod.com)