Given name: Unknown Family name: Rubinsztejn
- YES
 - Male
 - Rubinsztejn
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A Jewish caretaker, who replaced a Polish caretaker, Jozef. The author claims that in comparison with his predecessor the people kick him around, because they are not afraid of him.
 - civil servants
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We do not know if he was the Rubinsztejn who took Kaplan's diary from the ghetto.
 
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Kaplan, Chaim Aron Scroll of Agony. The Warsaw Diary, transl. from Hebrew and ed. by A. I. Katsh
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