English for specific purposes in short form it is given ESP is considered to be a subset of English as a second or foreign language. It is the way of teaching the English language to university students or people who have a profession with reference to some vocabulary store and basic skills they need. ESP learners are taught on one occupation or purposes such as Technical English, scientific English, English for medical professionals, English for tourism and for other specialities. ESP is not a special way of teaching or totally different approach to the training of learners. It includes some peculiarities in teaching purposefully. It is not a matter of teaching " specialized varieties " of English. There are some features which can be identified as "typical" of a particular context of use and which, therefore, the learner is more likely to meet in aimed condition. But all in all, ESP and typical language teaching contain target situations and purposefully planned methods to teach. ESP is not various in any kind from any other language training, in that it is to be based in the first instance on principles of effective and efficient ways of mastering in language. The emphasis in ESP is not put on language use but on picking up language. ESP teachers train academic skills to future professionals. They teach for the learners profession and motivate their students to use background knowledge along with the academic skills in dealing with all sorts of authentic information in students sphere. Teachers design courses to their learners needs, having in mind their target aim.
While teaching language technology is a main help for the learners' purpose. Teaching ESP is categorized into two. First, learners use them in order to learn the language context, next is to create new means of communicating. All areas of ESP have been influenced by the continuous development of new technologies. English teachers can use audacity not only to create their own recordings or podcasts but also to allow students to monitor a visual pattern of their spoken language. Audacity is a free program which ia utilized for podcasting but has beesn implemented by ESP teachers for specific pedagogical aims. In language learning classroom technology is used to create contexts for communicating with oral, literate, and visual modes of discourse. Participants may be made interact each other by means of electronic gadgets through Facebook, e-mail or others. ESP teachers should have general training as an educator and teacher. This involves what all teachers need to know regardless of what kind of subject they teach. All components are as follows:
- educational psychology, children development should be studied. The nature of education is to be taught;
- the awareness of classroom management;
- comprehension of the role of curriculum, syllablus and materials of teachers;
- ability to select relevant means of learning material;
When language learners face to problematic situation like ESP, they may be distracted by various materials availability. Teacher is asked to sort out what should be learned and what is not necessary in learning their purposes. Suitable materials are chosen by teachers including all skills and subskills. Grammar is not so important as vocabulary or speaking is the most important skill in English. Continuing personal education is vital for the ESP teachers, they should be well-educated people. Professionals of ESP are required to have a broad outlook and at least two years to teach English as a specialist trainer and four years to have practiced in methodology. They do many skills in their sphere: as researcher, whose job involves to work in various fields. They should be aware of different knowledge. As evaluator ESP practitioner requires- testing of students, evaluation of courses and teaching materials. As a collaborator cooperative skills is demanded from the specialists of ESP teachers.That's why ESP teachers role in learning process is complex and responsible one than teaching General English. They do not include only teaching, but also providing with relevant materials, design syllabus, collaborating with subject specialists, conducting research and assessing the course and the students. A professional ESP teacher must have the ability to switch from one professional field to another without being obliged to spend a long period of time on getting stated. But ESP teachers should be specialized in teaching language not in targeted field.