Translation of "Mocking" in Japanese

From mocking or belittling someone

人をあざける 軽んじる

- Seeing my brother trembling before the urchins mocking him made me anxious and angered at the same time.
- Having seen my brother trembling before the urchins mocking him, I became anxious and angered at the same time.

いじめっ子たちにビクビクしている弟を見ていると、ハラハラすると同時にイライラする。