ravaka . (nyan thos) "Hearer" or "listener." The practitioners of the First Turning of the Wheel of the Dharma on the four noble truths.
The first or initial stage in Hinayana, the second being that of Praetyka-Buddha. Sravaka, a Sanskrit word, means a hearer. It generally relates to Hinayana disciple who understands the Four Noble Truth in entering Nirvana.
A person who works only for his own Nirvana: release from suffering, and who relies on a teacher throughout his entire training.