Moe and Thea Radzin are the owners of the bakery where the Golem works… and we don't know much else about them. We're told that Thea Radzin is "a formidable complainer" (6.103), but the Golem is so darn good at her job, she gives them nothing to complain about. They even give her a raise to reward her hard work.
Sometimes they gossip about Chava, but they defend her from Anna's teasing. They wonder if the Golem might be autistic, because of her exacting nature. But honestly, they're two of the best bosses a golem, or anyone, could ever hope for.