transsexual person
Refers to a person who has undergone or identifies with a gender different from their assigned sex. This term is clinical and may be considered dated or less preferred in some contexts; トランスジェンダー is often used for broader inclusivity.
She spoke about her experiences as a transsexual person.
A broader and more commonly used term for people whose gender identity differs from their assigned sex, not necessarily implying medical transition.
The medical diagnosis 'gender identity disorder', now often replaced by 性別違和 (gender dysphoria). 性転換者 focuses on the person rather than the condition.
Compound of 性 (sex/gender), 転換 (conversion/change), and 者 (person). A straightforward Sino-Japanese construction.