diaspora - n. a group of people who live outside the area in which they had lived for a long time or in which their ancestors lived

lecturer - n. someone who teaches at a college or university on a temporary basis

blog - n. a website on which someone writes about personal opinions, activities, and experiences (gerund: blogging)

outlet - n. a television, radio, or publishing company

agitator - n. a person who tries to get people angry or upset so that they will support an effort to change a government, company or something else