The CARE team recommends if you feel safe doing so, expressing your concern directly to the student. You could also offer to walk the student to Tuttleman Counseling Services, if appropriate.
For students who are concerned about the behaviors of their peers, there are several student-specific options:
Make a report to an RA in the Residence Hall
Call the Tuttleman Counseling Services for guidance
Notify faculty, advisors, coaches, student affairs professionals
Consult with mentors