וַיֹּ֥אמֶר אֵלֶ֖יהָ תְּנִֽי־לִ֣י אֶת־בְּנֵ֑ךְ וַיִּקָּחֵ֣הוּ מֵחֵיקָ֗הּ וַֽיַּעֲלֵ֙הוּ֙ אֶל־הָעֲלִיָּ֗ה אֲשֶׁר־הוּא֙ יֹשֵׁ֣ב שָׁ֔ם וַיַּשְׁכִּבֵ֖הוּ עַל־מִטָּתֽוֹ׃
Elia berkata kepada perempuan itu: “Berikanlah anakmu kepadaku.” Lalu ia mengambil anak itu dari pangkuan ibunya, membawanya naik ke kamar atas tempat ia tinggal, dan membaringkannya di atas tempat tidurnya sendiri.
From David to Destruction
It is a bold question that is most definitely not addressed by the classic Mefarshim. For a year, Eliyahu HaNavi lives in the widow's attic mentioned in Melachim I 17:19. The question, accordingly, is that this seems to constitute a forbidden living arrangement, as it violates Yichud, the prohibition of seclusion.