With reference to the cultural history of India, which one of the following is the correct description of the term 'Maitreya'?
1
The bodhisattva of the beings suffering in hellish realms, or the bodhisattva of great vows.
2
The bodhisattva to be reborn and to become enlightened, thus succeeding Gautama Buddha in the future.
3
The bodhisattva of compassion, the listener of the world's cries who uses skillful means to come to their aid
4
Bodhisattva of keen awareness and wisdom.