So people will never raise elephants for meat, instead for other purposes such as tourism, traction or use in war, but this is not common because it costs too much. lots of time and money. Instead people would go hunting the missed elephants in the wild and bring them home, but doing this with tigers and lions seems impossible, they are predators, and in their instinct will always treat other animals as prey from the moment of weaning.
The last reason is to have herd habit, living in groups according to blood relations.
Humans like animals with strong herd behavior. Some animals are raised from a young age, when growing up with humans, they will consider humans as family members or the dominant son. So it’s taming or what makes them easier. Typical examples can be mentioned as dogs or horses.