«من شر الناس ذوالوجهين: الذي يأتي هؤلاء بوجه وهؤلاء بوجه»
The Prophet (peace and blessings be upon him) said:
"Among the worst of people is also the two-faced person, who comes to these people with one face and to those people with another face."
Hadith Referenceصحیح الجامع الصغیر / حرف الميم / 5917