Who is Fatima?

(The Alchemist)

the girl who distracts Santiago from his dreams, She is so beautiful to him that he rather be with her and stay in oasis with her than go find the treasure.

Explanation

Fatima is the girl that almost distracts Santiago from his dream of reaching the pyramids and his treasure. She's so pretty, and he's so in love with her, that he almost decides to just stay at the oasis and take her instead of the treasure. (You know, because women and treasure are pretty much exchangeable.