1 used as the object of a verb or preposition when people, animals etc are the object of actions they perform: They hurt themselves; They looked at themselves in the mirror.
az: özlərini, özlərinə
ru: себя
2 used to emphasize they, them or the names of people, animals etc: They themselves did nothing wrong.
az: bilavasitə özləri, şəxsən
ru: сами
3 without help etc: They decided to do it themselves.
az: özləri, özbaşına
ru: сами