get (one) on one's feet
and put one on one's feet 1. Lit. to help someone stand up after a fall or prolonged bed rest. We had to get him on his feet, but he was able to walk without much help. We put the child on his feet and he took off running again.
2. Fig. to get someone back to normal, financially, medically, mentally, etc. When he gets himself on his feet, Tom will buy a new car. We will put him on his feet and help him along. When I get myself on my feet, things will be better.