not get the idea. What I understood from the situation, the guy is working in a place now and he got a working visa. His visa now canceled, so can his father bring him here again after 6 months and be his sponsor? What I know that he can bring him back on business visa, but again and after 18 on family visa ... it is impossible. Especially for someone who would be registered here in the immigration database with that situation.

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Do not dwell in the past, do not dream of the future, concentrate the mind on the present moment. (Gautama Buddha)