/ˈɔfɪʃɪˌeɪt/ – Verb
Definition: thi hành công vụ, làm bổn phận, làm lễ.
A more thorough explanation: To officiate means to perform official duties, especially in a religious or ceremonial capacity. It can also refer to the act of serving as an official or referee in a formal event or competition.
Example: The judge will officiate the wedding ceremony tomorrow.