If they were spawned into existence for this thought experiment, then the human, probably.
But if even one of those kittens were mine, entire cities could be leveled before I let anyone hurt my kitten.
I wouldn’t think it moral to save my kitten over a random non-evil person, but I’d still do it.
It wouldn't just hurt your partner, it would hurt you.
We know that following a "objective morality" the 10 people would be a better choice but it would hurt (indirectly) you.
Humans aren’t perfectly objective.
Allowing that kitten to live will cause untold suffering for other small mammals.
You have the power to stop that suffering!
It's not quite "one million to one"; the meat from 1 million rabbits meets the caloric needs of around 2750 people for 1 year.
How about one million humans or one kitten?
Where is the cut-off point for you>?