The rules are the same when force is used to protect another from danger.
They carry each other's children around and protect them from danger.
In this way the individual cells could protect themselves from danger.
"You have protected me from danger long enough, my friend."
It can also use as a barrier to protect someone from danger.
Then we may not have to help, except perhaps to protect them from immediate dangers.
Your duties here are simple, to protect me from any and all dangers.
"That's why I've got you, to protect me from the dangers of the real world."
With it I protect my sea from the dangers of the evil people.
Everybody assumed that they were protecting their son from danger.