In Mayayana Buddhism, one who is fully perfected, perfectly cnnected, and available to teach the world. A perfected, connected, Avatar.
Perfected One > Bodhisattva, Rishis, Samyaksambuddha
Connected One > Arhat, Enlightened One, Messiah, Saint, Samyaksambuddha, Saoshyant, Witness
Avatar > Bodhicitta, Bodhisattva, Bodhisattva Vow, Divine Messengers, Holy Ones, Messiah, Qutb, Samyaksambuddha, Saoshyant, Tathagata, Tirthankaras