This article studies and clarifies the essential aspects of English for Specific Purposes (ESP), including its definition, scope, historical background, main characteristics, types, and goals. It also examines the objectives of ESP instruction, the role and preparation of ESP teachers, as well as the aims of ESP courses and programs. Despite the existing contradictory views on ESP policy, it can be clearly stated that this field represents the teaching of English to those who pursue specific goals - professional, academic, or scientific. The article analyses the key roles and functions of foreign language teachers for specific purposes. It defines the main tasks and responsibilities of teachers in higher education system whose professional activity is multifaceted and multifunctional, and also analyzes ESP courses and their distinctive features.

English for Specific Purposes, ESP definition, ESP evolution, ESP teaching objectives, ESP teacher, ESP teaching and learning, ESP course.

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