Sexual attraction toward members of the same sex. Fear of confronting such feelings provides a powerful motivation to many who enter the clergy. Though common in many animal species, including humans, it is an "abomination" to adherents of some religions.
Homosexuality refers to sexual interaction and / or romantic attraction between individuals of the same sex. In modern use, the adjective homosexual is used for intimate relationships and/or sexual relations between people of the same sex, who may or may not identify themselves as gay or lesbian. Homosexuality, as an identifier, is usually contrasted with heterosexuality and bisexuality.