What if they're absolutely opposed to discrimination to Jews in any other way, and even participate actively in support of Jewish anti-discrimination? They just personally find Jews repulsive sexually.

This concerns me because, as a liberal, I support the right of people to do and be things I personally do not agree with and even strongly disapprove. I think the relevant judgment is not what I think, but how I treat it.

I would not ask a Southern white who grew up thinking blacks inferior and repulsive to love them, let alone be willing to marry one. All he has to do is treat them equally and fairly, and not raise objections to other people's inter-racial marriages.