Volunteers are essential to your ministry, so investing in their spiritual health is just as important as those your ministry serves.
First, it would be wise for the leaders to do an assessment on the soul care efforts of their team—how are the volunteers doing personally? Then convey to them that their soul's wellbeing is of tremendous importance.
Continue to check in. Always pray on a regular basis for the volunteers on your team—specifically! You might even consider securing a prayer team solely for your volunteers.1