The mans response was unexpected, so Castiel took a closer look into his eyes. The direct gaze made it easier.
Then he relaxed more fully, and shook his head.
"I'm not human, James. I am the angel of Thursday, created by God to watch over Earth and his Creation, a soldier of Heaven. Though, we are no longer on Earth." He paused thoughtfully and turned back, looking down at the church once more.
No. There were still humans here, still good people. His purpose had never changed, it wouldn't now.
"I saw you moving towards the church. I thought I might offer you assistance, if you needed it."