Perhaps an abridged plural of kar in the sense of leader (of the flock); a life-guardsman -- captains, Cherethites (from the margin).
see HEBREW kar
H3746. Kari
כָּרִי adjective, of a people probably = Carian, only with article as substantive collective Carians, name given to foreign body-guard of king (compare RSOTJC 249, 2d ed.262) וְלָרָצִים לַכָּרִי 2 Kings 11:4 compare 11:19; הכרי 2 Samuel 20:23 Kt (< Qr הַכְּרֵתִי which We Dr Bu prefer).