This is the 9485th most frequent Russian word.
уполномоченный
Authorized representative or commissioner.
Here, 'уполномоченный' refers to a person who has been formally authorized or given powers to act on behalf of someone or some organization.
Уполномоченный подписал важный договор.
The authorized representative signed an important agreement.
In this sentence, 'уполномочена' is used as the feminine past passive form of the verb 'уполномочить,' indicating that she was given the powers or permission to carry out an action.
Она была уполномочена разработать новый проект.
She was authorized to develop a new project.
Here, 'уполномоченного' is used as the adjective form of the word, describing an 'орган' (organ or authority) that is entrusted with the necessary powers for specific functions.