No – The Watchtower 6/15/1971 p. 384 – Questions From Readers
Would it be proper to pray for him? In loyalty to Jehovah and his arrangements the Christian would refrain from praying for him.
Only if it’s not a ‘deadly’ sin – The Watchtower 10/15/1979 p. 31 – Questions From Readers
So he may conclude that it seems she has not committed ‘deadly sin’ and he may be moved to pray for her.
Only if they are repentant – The Watchtower 10/1/2001 p. 17 par. 15 – How Can You Help a “Prodigal” Child?
If a disfellowshipped youth gives evidence of repentance but does not have “freeness of speech toward God,” the parents might pray that if God finds a basis for pardoning the child’s error, that His will be done.
Yes, but not publicly – The Watchtower 12/1/2001 p. 31 – Questions From Readers
While some may be in a position to observe sufficient evidence to believe that the sinner has repented, this may not be the case with the congregation in general. They would be puzzled, troubled, even stumbled if they were to hear someone praying publicly about the erring one. For this reason, those who feel moved to pray about the sinner should do so only in private.
Not if they are unrepentant – God’s Word for Us Through Jeremiah (2013) chap.11 p.139 par.20 “Shepherds in Agreement With My Heart”
In that case, elders do not pray publicly for one who is expelled would be pointless to do so.