"Nobody comes near you."
Translation:Niemand kommt in deine Nähe.
"nahe (bei)" is a preposition and means "in der Nähe (von)". "nah" is sometimes used short for "nahe". "Niemand kommt dir nahe" has a special meaning and would be understood as "nobody gets close to you emotionally". A similar expression is "Das geht mir nahe." "I feel deeply moved by this."
"Niemand kommt in deine Nähe" is more about the real distance, i.e. people keep their distance, or you keep others at a distance. Depending on context, this could also be in the abstract sense like "Niemand kommt dir nahe", but not the other way around.