Diversosexual
One who is most sexually attracted to differences in others.
"I find a man/woman who is nothing like myself sexually appealing. Opposite race, ethnicity, cultural practices, religious/spiritual beliefs, ambitions, hobbies, etc. are all sexually desirable, thus making me a diversosexual."
"diverso" from the Latin root "diversorum" meaning diverse/different
"diverso" from the Latin root "diversorum" meaning diverse/different