Halakha 1 Raja-raja 11:26: Mishneh Torah, Torah Study

A wise man aged in wisdom, or a president, or a dean of a tribunal who committed an unsavory act should never be excommunicated publicly, unless he imitated Jeroboam son of Nebat and his associates¹See First Kings, 11.26–14.20.G.; but if he commit any other sin, the punishment of lashes should be administered secretly, even as it is said: "Therefore shalt thou stumble in the day, and the prophet also shall stumble with thee in the night" (Hosea, 4.5), even though he stumbled, cover it with darkness as the night. However, he should be told: "Honor yourself and remain in your house". And even so, when a disciple of the wise be found guilty of an offense punishable by excommunication, it is forbidden to jump to conclusions hastily and excommunicate him; it is rather commendable to run away from such thing, and avoid it. The pious among the wise prided themselves that they were never numbered among those who excommunicated a disciple of the wise, although it is permissable to be counted in to inflict lashes if he be guilty of an offense punishable by lashes, and even be counted in to inflict upon him scourge of rebellion.²Mo’ed Katan, 17b; Horayot, 11b; Pesahim, 52a. C.G.