http://www.youtube.com/safety_help it's the 3rd page just click continue
Please select the entry that fits your situation
This user is criticizing my video.
This user is criticizing or insulting me on other users' videos or channels.
This user is leaving insulting comments on my channel or videos.
This user is using hate speech against a protected group:
Race or ethnic origin (Example: African American, Pacific Islander)
Nationality
Religious affiliation (Example: Muslims, Christians)
Sexual orientation/gender idenity (Example: straight, gay, bisexual, transgender)
Veteran status
Disability
Gender
Age