The phrase "nonnative speakers" refers to people who are not originally from a certain country or region and therefore do not speak the native language of that place as their first language. Full definition
For example, at the federal level there is a strong effort to improve the education of students with disabilities and of nonnative speakers of English. (gse.harvard.edu)
English has become the lingua franca of the scientific community over the past decades, and as a result there is an increasing need for nonnative speakers to learn the language of science and technology — English for Science and Technology (EST)-- in order to enable them to take part in international scientific communication. (sciencemag.org)
Their primary charge is to bring nonnative speakers up to speed, but writing coaches can be a great help to everyone. (sciencemag.org)