Who is Arab in west side story?

The Arab in West Side Story is Bernardo. He is the leader of the Sharks, a group of Puerto Rican teenagers who are rivals with the Jets, a group of white teenagers. Bernardo is a passionate and hot-headed young man who is fiercely loyal to his friends and family. He is also a talented dancer and singer. Despite his tough exterior, Bernardo has a soft heart and is deeply in love with Anita, the Sharks' female leader.