tower of strength
pillar of strength

He has been a tower of strength to us all.

Colin was a tower of strength during the next few days.

He was going to be a tower of strength to all concerned.

The other one, the maid, has been a tower of strength.

Michael, you have been a tower of strength for all of us.

Stevens was a tower of strength on defense as he played his 500th game for the Devils.

She could see what a tower of strength he might have been.

I'd forgotten what a tower of strength you could be.

Your name will be a tower of strength when I use it as a reference.