Nothing. Just because someone is different doesn't mean they're a freak. Some people can't help it either.
a computer freak is someone who is madd about the computer
someone who is wierd freak and is a sexaholic
alchemist, witch, herblorist, warlock, druid, freak, cultist, etc
a bully and a control freak
a paranoid freak
control freak
There is only one Cirque Du Freak movie.
The expression 'closet freak' can be defined as someone who seems decent on the outside, but is in the bedroom a freak or sexual extravagant. It's a rare expression.
You are a FREAK
If you freak someone that iz in jail.
a bully and a control freak
Freakshow translates as Monstrositätenschau but you would really use it to describe someone in German. You could say Du bist ein Freak - you're a freak.