This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
The exact historical development of 伒 is uncertain. It visually combines 亻 (person) and 斤 (axe), but the original meaning and component relationship are unclear.
A person 亻 beside an axe 斤 might suggest someone helping or working, but the meaning is uncertain.
For キン, imagine a person with an axe helping a king: king -> キン, and the person 亻 with the axe 斤 assists the king.