Characters
Spike, these are my friends. Besides, it's kind of my job.
— Buffy · Buffy the Vampire Slayer
Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker offers Spike two reasons for being involved: these people are friends, and the situation also relates to a job. Personal attachment and responsibility reinforce one another. The casual “kind of” softens the explanation without specifying exactly what the work requires.
Context reviewed