Given name: Mietek Family name: Unknown
For the whole day, he worked for food as a caretaker's help in the house in Jerozolimskie Avenue. He spent the nights at Urbanowa's place, in Grojecka Street. Urbanowa kept raising the rent all the time. When Kulas' sister moved in, she wanted Mietek to pay for the girl as well and threatened him to denounce them. He moved out and hang around in the attics. Urbanowa found out where he worked and sent blackmailers ('szmalcownicy') to him.