# mill

a tool for making flour by grinding grain in between two heavy discs of stone

# upper millstone

the top disc of stone in a mill

# for that would be taking a person's life as a pledge

The word "life" is a metonym for what a person needs to keep himself alive. Alternate translation: "because he would be taking from the man what the man needs to make food for his family" (See: [[rc://en/ta/man/translate/figs-metonymy]])