But thou O LORD
Yhovah (yeh-ho-vaw')
(the) self-Existent or Eternal; Jehovah, Jewish national name of God -- Jehovah, the Lord.
art a shield
magen (maw-gane')
a shield (i.e. the small one or buckler); figuratively, a protector; also the scaly hide of the crocodile -- armed, buckler, defence, ruler, + scale, shield.
for me my glory
kabowd (kaw-bode')
weight, but only figuratively in a good sense, splendor or copiousness -- glorious(-ly), glory, honour(-able).
and the lifter up
ruwm (room)
to be high actively, to rise or raise (in various applications, literally or figuratively)
of mine head
ro'sh (roshe)
the head (as most easily shaken), whether literal or figurative (in many applications, of place, time, rank, itc.)