How to provide access to child nodes while restricting parent nodes (nodes are not fixed)

Hi All,

How to provide  access  to child nodes while restricting parent nodes

//Content Tree

Root

   - Parent-1

      -- Child-1

           --- SubChild -1

               --- SubSubChild -1 to N

           --- SubChild -2 

           --- SubChild -n 

     - Parent-2

       ---

        ---

     - Parent-n

This should work in Touch UI [Sites, Page ]as well as Classic UI [Siteadmin,Page]

• Activate accesss to All Parent (1-n) and SubChild(1-n)  nodes, but restrict Deactivation,Delete,Move
  
  
• All permissions to SubSubChild (1-n)

NOTE : nodes are not fixed, 

In my case I cannot set permission to a fixed node (content/SiteB or content/SiteC)
It depends on the template I have to set a permission to a particular group, some cases page might be under (content/parent/child  or content/parent/child1/child2/child3)

Thank you in Advance.