English: “You shall surely help him lift them up” — with him, and not alone.
On the daf / in context: The word “imo” teaches that the obligation applies when the owner is present and participating; if the owner sits idly, the passer-by is not obligated to do all the work alone.
Type of Learning
Limiting derash on the word “imo.”
What Is Learned
The duty to help reload a fallen animal applies when the owner is working together with the helper; one is not required to do the entire task alone while the owner remains idle.