The word {hakraiv,} here rendered bring near, is properly a
   sacrificial word, and signifies the presenting of a sacrifice
   or offering to the Lord.  As an offering, the tribe of Levi
   was entirely given up to the service of the sanctuary, to be
   no longer their own, but the Lord's.

  1:49-53  2:17,33  8:6-15,22-26  16:9-11  18:2-6  Ex 32:26-29 
  De 33:8,9  Mal 2:4