
Continuity mistake: Right after John Smith gets captured and is taken away, Nakoma grabs Pocahontas' hand, but when it shows the shadow of them they aren't holding hands. Then in the very next shot they are but it doesn't show them grabbing each other's hand again.
Answer: She didn't exactly hate Kocoum though. She loved John, sure, but Kocoum was someone she'd known her whole life. It's not unreasonable she'd be upset over his death, whatever the circumstances.
Phixius ★