English-Language Learner (often abbreviated as ELL) is a term used in some English-speaking countries such as the US and Canada to describe a person who is learning the English language and has a native language that is not English. Some educational advocates, especially in the United States, classify these students as non-native English speakers or emergent bilinguals. Various other terms are also used to refer to students who are not proficient in English, such as English as a Second Language (ESL), English as an Additional Language (EAL), limited English proficient (LEP), Culturally and Linguistically Diverse (CLD), non-native English speaker, bilingual students, heritage language, emergent bilingual, and language-minority students. The legal term that is used in federal legislation is