Yahweh uses this word here to draw the people's attention to what he says next. AT: "Listen" or "Indeed" (See: [[rc://en/ta/man/translate/figs-idiom]])
# all the circumcised who are such only in their body
This refers to the people of Israel who have entered into Yahweh's covenant by getting circumcised physically, but who have not changed their inner beings by following his laws. AT: "all those people who have changed their bodies by circumcising them but who have not changed their inner beings" (See: [[rc://en/ta/man/translate/figs-metaphor]])