A rider on an animal sees a lost object and tells a bystander 'Acquire it for me.' The bystander lifts it for him. Who acquires the object?
Halacha 1: When a person riding on an animal tells a colleague to acquire a lost object and the colleague lifts it for him, the rider acquires it.
Question 2
What must a person do to acquire an ownerless animal — is grabbing the reins sufficient?
Halacha 5: Grabbing the reins alone does not acquire the animal; he must lead it or draw it after him.
Question 3
Two people simultaneously grab the reins of an ownerless donkey. What happens?
Halacha 4: When two people simultaneously lead or draw an ownerless animal, each acquires half of it.
Question 4
A lost object falls into a person's courtyard while he is away. Does he acquire it?
Halacha 7: A person's courtyard acquires property for him without his being aware of it — if a lost object falls in, he acquires it.
Question 5
What is the 'four cubits' rule regarding acquisition of lost objects?
Halacha 8: The Sages ordained that the four cubits around a person in a public area acquire lost objects for him, to prevent strife over found property.