Privilege
: a right or benefit that is given to some people and not to others
right or immunity granted as a peculiar benefit, advantage, or favor : prerogative; especially : such a right or immunity attached specifically to a position or an office
I feel like definitions need to more specific because I could argue that because he was an Uzumaki and was able to contain Kurama without dying was the reason why it could but consider a privilege. Also as an Uzumaki (as established by the superiors), they were given the positioning and duty of being jins for Kurama. Whether that's considered a gift or not is subjective but eh... I digress
Anyway, I see what you're saying though