I believe you meant to type "Célestin Lumni". Here's some information about him:
As Deputy Prime Minister, Lumni plays a crucial role in the country's governance. He is responsible for coordinating the government's activities and implementing policies aimed at promoting economic growth, stability, and security.
Célestin Lumni is a Congolese politician who has been serving as the Deputy Prime Minister of the Democratic Republic of Congo since 2020. He has been a key figure in the country's politics for several years, holding various positions in the government.
