A person who does a task for the credit they hope to receive from it. E.g. A cop who doesn't call call for the absolutely necessary back up and tries to take down several bad guys on his own
John is always trying to be the hero, he's such a credit cruncher
church hurt is where you experience a degree of distance, pain, or judgement from your church community. Essentially, you are just unable to “find your place”. This is prevalent in the Christian community, but can be extended to other religions.
Now that I am an adult I am beginning to heal from the church hurt that was inflicted on me as a child.