Hmm, the word "minority" to me doesnt actually describe the issue... I am from the Caribbean, so here, what in the US is minority to the me is the majority.. people of colour, be they black or Latino
And is it harder for people of these backgrounds to come out? On the whole, I would say so, yes.... it is a cultural thing really.. same goes for people of the middle east, of africa, and many other cultures and backgrounds...
What is most typical of these cultures is
1) a strong propensity to condemn homosexuality on religious bases or societal norms
2) a strong sense of community and collectiivity, the needs of the group override the needs of the individual...
This in contrast to northern European-based cultures, which instead of being collective, are individualist.... it is much worse for someone of a collective culture to "come out" because not only are they betraying the religious ruling, they are also overriding their culture's expectations of "sticking to the norm" of what the group needs in order to be considered a valid member of that group. If the culture is more individualist, only the first rule, the rule of condemning a certain practice, is being betrayed... in those individualist cultures, unlike the collectivist one, it is considered more ok for the person to "be themselves" and to "stick out" of the crowd instead of having to stick to group norms....
Therefore, the combination of these two is especially dangerous for people who are "different" from the norm... Say for instance, you were gay in Thailand... here, we speak of a collective culture, but with general acceptance of different sexual practices.. because of the latter, a homosexual can easily come out in Thai society, since this person is not betraying a cultural norm
Thus, I stipulate and emphasize, that it is the combination of those two factors which complicate things.... BOTH a religious or societal norm condemning homosexual practices AND a culture which strongly emphasises group norm behaviour, are what make it difficult for the person to come out.... Both of which are strongly present in African-American culture and many other of what are considered "minorities" in the USA
If by contrast, a person has to deal with ONLY ONE of the above two situations, say a culture which is EITHER accepting of individual "norm-overriding" behaviour OR a culture which accepts homosexual practices as a norm, then it is much easier for somebody to come out.... since they are still conforming to at least ONE rule of their culture.. being either "different" or practicing a sexuality which is accepted anyway