Manava Dharmashastra 3.153

3.153

preṣyo grāmasya rājñaś ca kunakhī śyāvadantakaḥ
pratiroddhā guroś caiva tyaktāgnir vārdhuṣis tathā //

A paid servant of a village or of a king, man with deformed nails or black teeth, one who opposes his teacher, one who has forsaken the sacred fire, and a usurer;