Help my friend's Facebook account has been hacked?

[wut?]

my friend(best friend's sister actually)account has been hacked.The weirdo keeps sending messages like "yo wanna have s**?).How to report to Facebook?It doesn't give the option that says "my friend's account has been hacked" D:
i don't have her number

[kyle]

try recovering the password

https://www.facebook.com/login/identify?ctx=recover

[italy_ink]

Tell her to put forgot password it gets sent to her email then change it after change her e mail password to just incase the hacker got tht to

[abraXus]

tell her to change her passwords, and make sure not to use the same password for facebook as she does for the email account she used to sign up

[Daniel]

Tell your Friend to Change Her Password

[Roger]

Suggest her to change password each weekend. This saves any1 to get hacked. Ad don't open your accounts from any other device if so than see to it that you have successfully log out through it and not saved your ID-Password in that outside PC.