NET
21 Then Joab said to the Cushite, “Go and tell the king what you have seen.” After bowing to Joab, the Cushite ran off.
Darby
21 Then said Joab to the Cushite, Go, tell the king what thou hast seen. And the Cushite bowed himself to Joab, and ran.
KJV
21 Then said Joab to Cushi, Go tell the king what thou hast seen. And Cushi bowed himself unto Joab, and ran.