i need help for my character rigging.

This is my 1st character in blender, ill try to rig this one, but i have many problem in it. Here is my screenshot for my project, please help me to fix this.

please tell me whats wrong with my character, am i wrong to use rigging in sculpt object ?, and tell me how to fix this problem, ill try weight paint but it doesn’t matter, im really confuse now. please help me.

here’s the screenshot:

  1. without weight paint

  2. with weight paint (add)

  3. with weight paint (subtract)