المقدم
كلمة (المقدِّم) في اللغة اسم فاعل من التقديم، وهو جعل الشيء...
Abu Dharr (may Allah be pleased with him) reported that he heard the Prophet (may Allah's peace and blessings be upon him) saying: "No man accuses another of impiety or disbelief except that it (the accusation) rebounds on him if the one accused is not as he said."
شرح الحديث :
The Prophet (may Allah's peace and blessings be upon him) prohibited that a man says to another: "You are impious or a disbeliever", because if this person is not as he said: then this word will rebound to the one who said it.