Question

Why do you think the author called the book the giver instead of the receiver

Answer 1

The term "The Giver" refers to the old man, the former Receiver, who transfers all his memories to Jonas. The very names "Giver" and "Receiver" remind us of one of the book's central themes: memory is meant to be shared. ... But, more interestingly, Jonas becomes The Giver when he gives his memories to Gabriel.
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Answer 2

The term "The Giver" refers to the old man, the former Receiver, who transfers all his memories to Jonas. The very names "Giver" and "Receiver" remind us of one of the book's central themes: memory is meant to be shared. ... But, more interestingly, Jonas becomes The Giver when he gives his memories to Gabriel.