Emancipation means becoming free and equal; the term can be used in various contexts:

• historically, a slave becoming free by
  • being set free by the owner (manumission), voluntarily or in accordance with laws requiring it after a certain time or in certain cases, thereby becoming freedman (e.g. Emancipation Proclamation)
  • abolition of slavery
• equal rights for races, as opposed to racism
• women's liberation, as opposed to sexism
• sexual liberation, as opposed to sexualism
• youth liberation, as opposed to ageism
• a minor becoming an adult in practice, usually by receiving a declaration of liberation from a court expressly for this purpose
• animal rights, as opposed to speciesism