her vs hirself

her

pron
  • The form of she used after a preposition, as the object of a verb, or (deprecated) with a conjunction; that woman, that ship, etc. 

det
  • Belonging to a person of unspecified gender (to counterbalance the traditional "his" in this sense). 

  • Belonging to her (belonging to that female, or in poetic or old-fashioned language that ship, city, season, etc). 

noun
  • A female person or animal. 

hirself

pron
  • Hir, themself; gender-neutral third-person singular object of a verb or preposition that also appears as the subject, coordinate with gendered himself and herself. 

  • Sie; an intensive repetition of a gender-neutral subject, often used to indicate exclusiveness of that person as the only satisfier of a predicate. 

How often have the words her and hirself occurred in a corpus of books? (source: Google Ngram Viewer )