bodhisattva
/ˌbɒdɪˈsɑːtvə/noun
- (in Mahayana Buddhism) a person who is able to reach nirvana but delays doing so through compassion for suffering beings（大乘佛教用语）菩萨。
词源
Sanskrit, 'a person whose essence is perfect knowledge', from bodhi 'perfect knowledge' （from budh- 'know perfectly'） + sattva 'being, essence'.