The best statement to describe him is: he is greatful; he is clearly greatful for the help he’s receiving with helen and is willing to compensate in cash for it
It was defined by thehindu.com that:
A trusted friend and mentor described the concept of heroism<span>, not as an instinctive demonstration of bravery, but as an unselfish act performed even when aware of danger to self, through surmounting the fear by acting with courage.
I hope my answer has come to your help. God bless and have a nice day ahead!
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Personally, i would write the sentence 4, 1, 3, 5, 2. Seems like the correct way to do it. Hope that helps you out a bit! ^.^