Now human and stripped of his grace, Castiel works at a "Gas-N-Sip" convenience store. He struggles with basic human tasks, such as cleaning toilets and managing a social life, under the alias Steve.
Castiel’s journey highlights the dignity found in "lowly" work. His pride as a former Seraphim is replaced by a genuine desire to be a "good" human. [S9E6] Heaven Can't Wait
These were celestial medics who performed mercy killings on mortally wounded angels on the battlefield. On Earth, this angel has begun "mercy killing" humans who are experiencing even minor emotional distress. Now human and stripped of his grace, Castiel