Tax break for no income pastor

I am just curious if there are any church admin or pastors that can answer a question about tax credits or if they are worth even thinking about. My circumstance is;

I am a bi vocational pastor that is currently serving as an outreach pastor and fill in at the pulpit at our congregation as well as other churches in our association. I do not draw a salary or receive any compensation so I have never even thought of taking any tax credits for any expenses I incur.

I have recently been...

Tax break for no income pastor