✔ 最佳答案
He doesn't. Only qualified employers can apply for any employment visa for their foreign employee. What degrees does he hold in which field from which universities where? What post-master's degree experience does he have doing what, exactly, how well & how long for whom where? What expertise does he have which is in short supply in some country, and is therefore eligible for employment visa? IF he holds all the necessary qualifications, then he has to apply & compete against all other applicants from around the world to get a job. IF hired by a qualified employer, then the employer will apply for the visa.
Worldwide labor glut of a billion adults - and another billion on track to enter the world's workforces within the decade. If he cannot get a job in Bangladesh, chances are very high that he is not qualified for any sort of job abroad.