Be threatened from Scammer!!!!

Hi everyone! I'm in a scam and being threatened by scammer. I filled fullly my personal information in an application form that they sent to me and I sent to them my photocopy of passport, my Bachelor Diploma and personal photos. What could they do to me? and What should I do to protect myself?
Please Help me!!! Thanks so much!!

Please ignore the scammer and quit responding to his emails. Eventually he will go away.

He needed your information to make his scam seem real. Rarely they will use your information in future scams.