A pronoun that is used for emphasis, is called an emphatic pronoun. An emphatic pronoun is paired with another noun or pronoun to emphasize it.

The emphatic pronouns are myself, yourself, herself, himself, itself, ourselves, yourselves and themselves.

Examples

• The Queen herself attended the party.
  (‘The Queen’ is the noun being emphasized. ‘The Queen’ is the antecedent of ‘herself ’).
• They themselves will have to earn money.
• Nothing is impossible for the man who doesn’t have to do it himself.