What is your familial status in Bahrain? Will you still have proof of residency in 4 years? How established is your family in Bahrain in terms of businesses, properties etc?
It's usually tough for people applying from a 3rd country in which their status is temporary but that doesn't mean you can't get an approval. It all depends on how you are able to convince the VO handling your case.
Permits need to be renewed on a yearly basis. Till 2022 I will be dependent under the family visa through my dad. After that, I can visit Bahrain on a visit visa which can be easily obtained online and when I find a job in Bahrain, I will get a work visa.
My parents, sister, brother-in-law (who is an Indian so our middle ground is Bahrain) and 2 year old niece, along with my pet live in the same house. I did my all my schooling here. Universities in Sri Lanka charge international rate of tuition for students who did their high school abroad hence, I want to do my UG in Canada and come back to Bahrain where my family will be for the foreseeable future. Unfortunately, we don't have any properties in Bahrain or Sri Lanka
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It's probably a lost cause but I'm still gonna give it a shot and hope for the best!