Определение exchange visitor в Английский Язык Английский Язык словарь
An alien coming temporarily to the United States as a participant in a program approved by the Secretary of State for the purpose of teaching, instructing or lecturing, studying, observing, conducting research, consulting, demonstrating special skills, or receiving training
A foreign national coming temporarily to the U S as a participant in a program approved by the United States Information Agency, Department of State to study, teach or observe (J-1 visitors)
means a foreign national who has been selected by a sponsor to participate in an exchange visitor program and who is seeking to enter or has entered the U S temporarily on a J-1 visa The term doesn't include the visitor's immediate family