Civilian, although you do occasionally run in for the pitiful, quickly lost fight.

Anti-hero.
The type that Looks like a benevolent NPC that helps the hero, but is actually kind of a mean, but powerful being. In the end, they're technically on the hero's side, but they certainly made bumps in the road for poor hero.

I think civilian that's best friends with the hero. Like the fun best bud character that finds out their secret identity right away.

side kick, a very loyal, strong and skilled one

Anti-hero, leaning towards hero.