In Arabic it is Sayyed which means master!

I came across the hadith of the Prophet sallallaahu aleyhee wa sallam said :  when you call the hypocrite a ‘ Mister’ has made your lord anger. ( reported by An nasai). What does it mean by Mister here ? bcoz in english its common english language addressing Mr.

Commentary on Hadeeth | January 16, 2015 4:29 pm
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I heard this from a highly respected speaker of tablighi jamaat that Prophet (salla Allahu alaihi wa sallam) said “If I would been praying the Isha salah and my mother calls me beta (son) Muhammad, I would have left (break) the prayer and answered the call of my mother. Is this hadeeth authentic?
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In a book titled “Grave- Punishment and blessings”  by Husayn al-Awayishah, I read a hadith that the Prophet (salla Allahu Alaihi wa sallam) said “The deceased is punished by (the mourners) wailing for him”. But how is it the fault of the deceased if someone mourns over him? How can he stop someone to mourn over his death?