This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
侽 combines 亻 (person) with 男 (man), likely indicating a male person. The exact historical development is uncertain.
A person 亻 beside a man 男 suggests a male figure, but the exact meaning is unclear.
For ダン, imagine a man 男 (ダン) standing beside a person 亻: the reading ダン comes directly from the 男 component.