Kalmar "Arihat" ta fito ne daga Sanskrit, kuma a Buddha, yana nufin Mutumin da ya cimma babban burin ruhun Nirvana, ko fadakarwa. Ana amfani da kalmar a cikin hadisai na Buddha daban-daban, gami da Servavada, Mahayana, da VAJhatana wanda ya kawar da duk 'yanci da wuraren' yanci daga yanayin haihuwa da kuma Mutuwa, wacce aka sani da Samsara. Sun sami cikakkiyar hikima, tausayi, da tsarkakakkiyar hali na Buddha Buddha, Shakdamuni. A cikin wasu hadisai, ana iya amfani dashi sosai don komawa zuwa ga duk wanda ya sami hanyar 'yanci ta ruhaniya, ba tare da la'akari da takamaiman hanyarsu ba.