It wasn't Starlight.

We could have depended our life on him.
It might have been one of the other chaps, but I couldn't think of any one, except Warrigal.

He would do anything in the world to spite me and Jim, I knew; but then he couldn't hurt us without drawing the net tighter round Starlight.

Sooner than hurt a hair of his head he'd have put his hand into the fire and kept it there.

I knew that from things I'd seen him do.
Starlight and I hadn't much chance of a talk, but we managed to get news from each other, a bit at a time; that can always be managed.