Step 1: Things You Will Need
Pad of paper
Pencil #2 hub
Step 3: Follow Exactly What I'm Doing
On your own victim find their face shape and draw it. It will be the base for your whole portrait.
Step 5: Basic Hair Texture
Step 6: Eyes and Ears and Mouth and Nose!
That should get you to something that looks like your victim but if it doesn't don't worry caricatures should boast a persons prominent features
P.S. Working on new instructable with better drawing, this one was made without a person in front of me so its not the best. Yours may turn out better.