Caring for the Orphans and Weak
According to the Holy Traditions the best Muslim's home is the one wherein an orphan is supported and is treated in a loving and affectionate manner, and the worst is that home wherein an orphan lives and is treated badly or cruelly.
It is related by Sahl ibn Saad Razi ALLAH Anhu that Rasulullah Muhammad said
"Whoever supports an orphan from among his own or any other family, he will be as close to me in Heaven as these fingers are close to each other."
Sahl Razi ALLAH Anhu says that Rasulullah made a motion of his index and middle fingers (while he said this) and there was only a little space between the two. In another Hadith the Holy Prophet made a provision: "provided he is not guilty of an unpardonable sin."
This Hadith explains the status, in the hereafter, of that bondsman who accepts the responsibility of supporting an orphan belonging either to his own family or any other family with whom he has no particular blood tie. Which makes the fact clear that the promise of salvation and entry into paradise is subject to the condition of not committing a misdeed, such as polytheism which is not pardonable.