Copy their name 1st.
Then go to your profile and click on that.Then above your picture there,there is a brown bar,in that brown bar there are some options.
Click on search profile. then you have 2 options of finding someone,either by email,or username.
Paste the name in the second box,if they have a profile it will show up,If not they don't have a profile.
__________________
There Is 1 Thing Better Than Cubic Inches,,,More Of Them