Work out- what does it mean?

Originally Posted by Lutero

What's the difference between 'work for your salvation' and 'work out your salvation'?

You've heard of Merriam Webster? A very famous Protestant. He says:

Definition of WORK OUT

transitive verb
1
a : to bring about by labor and exertion <work out your own salvation — Philippians 2:12 (Authorized Version)>b : to solve (as a problem) by a process of reasoning or calculation

Sincerely,

De Maria