He loves his deceased father and wants to do something good for him

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He was not able to pray before he died; can prayers be offered on his behalf?
She stopped praying when she was sick, then she died; do her heirs have to do anything?

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Related Answers:
What can benefit the deceased after his death? Can he hear what the living say?
His family have cut him off because he got married without their approval
Does a son have to obey his father with regard to where he gives his charity?
He was not able to pray before he died; can prayers be offered on his behalf?
She stopped praying when she was sick, then she died; do her heirs have to do anything?

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