The correct option is
D Misanthrope
Option A; Philanthropist is a person who seeks to promote the welfare of others. This is not the word which means the aforesaid and hence this is an incorrect option.
Option B; Misanthrope is a person who dislikes humankind and avoids human society. This word exactly means what is mentioned above and hence is the correct option.
Option C; Hater is a person who greatly dislikes a specified person or thing and not mankind in particular and hence this not the correct word. Therefore this option is incorrect.
Option D; Rebel is a person who rises in opposition against any established institution. This does not mean the same as the given word and hence this is an incorrect option.