Isabel feels disappointment and concern about Thami's withdrawal from the competition. Throughout the story, Isabel is portrayed as a determined and ambitious character who values success and achievement. She may have initially seen the competition as an opportunity for both herself and Thami to showcase their talents and potentially elevate their lives. Therefore, Thami's withdrawal can be seen as a setback, as it hinders their chances of success. It also prevents Isabel from achieving her goals. Additionally, Isabel's concern may stem from her understanding of Thami's potential and talent. This makes his withdrawal appear like a missed opportunity for him to shine and fulfill his dreams.