naysayer (noun)

1. Despite being surrounded by naysayers, Sarah still believed in finding true love and held onto her romantic ideals.

2. In the movie, the protagonist faces numerous challenges, including a naysayer who tries to discourage him from pursuing his dreams.

3. The novel featured a character who was often criticized by naysayers for her unconventional ideas and unique writing style.

4. In the anime series, the main character encounters a persistent naysayer who constantly belittles his goals and aspirations.