Question 24: There is an old Mu’aththin (caller to Prayer) who constantly adds the conjunction “Wa” (And) to the last phrase of the Athaan (call to prayer), so after “Allaahu Akbar, Allaahu Akbar” (Allah is the Greatest), he adds “wa” (And) “Laa Ilaahaa Illaa Allaah” (There is no god but Allaah). His son- the Imaam (the one who leads congregational Prayer) of the Masjid (mosque) where he pronounces the Athaan- told me that he advised him to quit doing this long ago, but when he did, his father refused to respond to him and refrained from eating with him. We also advised the man (caller to prayer) not to do this, yet he insists on doing it. Consequently, his son asked us to displace him of this job, but we told him that we were afraid to drive a wedge between him and his father, but he told us not to worry about this.
Answer us, may Allaah bless you, are we entitled to request his displacement of this job? How can we advise him and inform him of the truth?
Answer: If the case is as mentioned, you should clarify to him that he should quit doing this… read more here.