Swallow

"Then witch, I will try steel," said the first voice.

Now Ralph looked over the rock from behind which the sound of voices came and saw the body of a little woman tied to a stone by the edge of the water, while over her leant a man, a white man, holding a knife in one hand and in the other a gourd of water, which he now placed close to her lips, and now withdrew from them. He knew that woman, it was Sihamba. Just at this moment the man looked up and their eyes met, and Ralph knew him also.

It was Piet Van Vooren.