Identify the use of the italicized noun clause.
the game will be won by whoever plays best.
subject complement
subject
object of preposition

Since you did not indicate the noun clause that is italicized, i'll proceed to identifying the noun clause in the sentence. If it is 'whoever plays best', then the function of the noun clause would be an object of preposition (preposition would be: 'by'). 

Because people cant see the true beauty they just judge like to be mean  trust me i know thats why i just have friends.