You know - there are many spiritual theories that say "there is no one else - we are all one" etc...well... it needs to be understood. Anyways if we go by that - everything you do for yourself you do for others and everything you do for other you do for yourself. You are also not capable for giving something that you don`t have so - praying for yourself and praying for "others" is sort of the same thing in the end. You will have enough in you to give a feeling of safety to others.
I can tell you this from my experience with you.

You posted on my thread and you gave it to me - a feeling of safety - without praying. Because you already have it inside yourself
I am extremely grateful to you.
"ask and it shall be given to you?" something like that.