A monk who lived In der Zeit von Kassapa Buddha.
After the Buddha's death, another monk, Adhammavādi, was charged mit having violated the rules of the Vinaya, und Dhammavādi decided against him.
But Adhammavādi succeeded in getting two others to give a verdict in his favour.
These two monks were later born as Hemavata und Sātāgira. SNA.i.195f.