Answer
Erap is a nickname for Joseph Estrada, a Filipino actor and politician who served as the 13th president of the Philippines from 1998 to 2001. Estrada is a Tagalog word meaning "shit" or "crap", and it was reportedly given to him by his friends and supporters as a reference to his humble beginnings. Estrada has embraced the nickname, and it has become a part of his political persona.