दोहरी चाल चलने या बात करने वाला।

दोमुँहे व्यक्तियों से मुझे चिढ़ है।
दुमुँहा, दोमुँहा

Marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another.

She was a deceitful scheming little thing.
A double-dealing double agent.
A double-faced infernal traitor and schemer.
ambidextrous, deceitful, double-dealing, double-faced, double-tongued, duplicitous, janus-faced, two-faced