A vegan or vegetarian who refuses to have sex with a meat-eating partner on the principle that sexual intercourse is the physical and spiritual bonding of two bodies, and would thus make both people omnivores in spirit, or could result in the exchanging of bodily fluids that may contain animal products.
Related to Sapiosexual (which means "to be turned on by wit and intelligence"), Verisexual means "to be turned on by honesty and vulnerability". From the Latin word "Veritas" meaning Truth.