noun
person with gender identity disorder
Medical/legal term for a person diagnosed with gender identity disorder (性同一性障害). Note that the diagnostic label has been evolving; in many contexts 性別違和 (gender dysphoria) or トランスジェンダー (transgender) are now preferred, but this term still appears in older legal and medical documents.
性同一性障害者の性別変更には、一定の要件が必要とされている。
Certain requirements must be met for a person with gender identity disorder to change their legal gender.
The condition itself (gender identity disorder), while 性同一性障害者 refers to the person with the condition.
Gender dysphoria; a more recent diagnostic term that focuses on distress rather than disorder, often preferred in contemporary contexts.
Transgender; a broader identity term that is not medicalized and is commonly used in everyday and activist contexts.
Compound of 性同一性障害 (gender identity disorder) + 者 (person). The term 性同一性障害 itself is a calque from English 'gender identity disorder', composed of 性 (sex/gender), 同一性 (identity), and 障害 (disorder).