Ally: A heterosexual person who fully accepts and supports his or her LGBT friends or family members.
Until adopting European values late in their history, the Chinese did not even have nouns to describe a heterosexual or homosexual person per se.
Thus the specifically sexual meaning of the term has passed into common usage to include the sexual behavior of heterosexual persons, as well.
Persons in a homosexual relationship may seek autonomy for these purposes, just as heterosexual persons do.
Patterson, in June 2001, found it necessary to deny them to the nation: "My credentials as a lifelong heterosexual person are impeccable."
That led, paradoxically, to yet another usage of transvestism: cross-dressing, male-bodied, male-identified, heterosexual persons.
A heterosexual person (American English slang)