[Idiom] Become someone legs and arms

[guest_from_poland]

Hello,

I write here because I have problem with meaning of this idiom:

"become someone legs and arms" ex. I need him to become my legs and arms.

 

[bhaisahab]

Hello,

I write here because I have problem with meaning of this idiom:

"become someone legs and arms" ex. I need him to become my legs and arms.

It means "I need him to do things/everything for me".