Afraid about a job offer

I received a job offer from a place on O’ahu. My profession is very niche—I can’t say what it is because it’d be very easy to find my personal info. Opportunities for employment are few and far between. I’ve worked retail when I didn’t have anything in my profession, which is my current situation. The position I was offered is not only in my profession, but a couple steps up along my career path. This should be a no-brainer.

Only, I’m haole on the mainland. The internet has led me to believe that I’d be unwelcome or, at best, ‘an other.' I lived in Brazil for about a decade, tried to assimilate by continuously working on my Portuguese and adopting local customs, acted respectfully, and tried to earn my place through hard work and humility. I eventually wasn’t treated like ‘an other’ there—maybe 3 years I began to notice I felt part of the community. The internet has led me to believe that that will never happen no matter what I do in Hawaii. My two Hawaiian friends seemed to dodge the question.

I want to continue my career. I’m afraid of going and feeling not only alone but hated. Are my fears justified?

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Edit: I have taken all of your advice to heart. My fears are not justified. If I can, I'll come visit before I make a decision. Whether I stay only for the visit or accept and move, I promise to do what I did in Brazil: be respectful, listen, try to contribute where I can, and be friendly.