I am not really understanding what you are saying. Did your friend tell your sister he needs a green card sponsor? or your sister told you he needs a green card sponsor?
For DACA you don't need a green card sponsor.
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Sent 10/19->WAC accepted 10/24
I-797 arrived 10/27
Biometrics letter arrived 10/29 Biometrics done 11/20
EAD: February 7, 2013 SSN:Already Have 
DL:Gonna take a month or two..haha.never bothered to learn..too scurred