Problem with Parenting and Deformation

Hello,

So when I use deformation on the bod of my charachter and the move it the other parts which have deformation like arms dont stick to it and move.
here is a screenshot:

https://www.dropbox.com/s/4cx4xs6hal7wvi0/Ashampoo_Snap_2016.07.06_11h46m01s_005_.png?dl=0

when I attach the deformation to body this happens:

https://www.dropbox.com/s/vyxwi9shjduvad6/Ashampoo_Snap_2016.07.06_11h46m32s_006_.png?dl=0

please help guys :frowning: thank you