She has the 'rare' [='uncommon'] ability to make people feel comfortable even in difficult situations.
It is still 'rare' [='unusual'] for a woman to hold an executive position in some industries.
The little diner is a 'rare bird' in a city full of expensive restaurants.
(..) Eeew. What's that? A grub. What's it look like? Eeew. Gross. Mmmm. Tastes like chicken. Slimy, yet satisfying. These are rare delicacies. Mmmm. Piquant, with a very pleasant crunch. You'll learn to love 'em. I'm telling you, kid, this is the great life. No rules. No responsibilities. (..)1994 The Lion King