bad friend; evil spiritual guide
Buddhist term for a person who leads one away from the correct path, often contrasted with 善知識 (good spiritual friend). Used in religious contexts.
See also: 善知識
Do not be led astray by bad friends; walk the right path.
From 悪 (bad) + 知識 (knowledge, acquaintance). In Buddhist usage, 知識 refers to a spiritual friend or guide.