Being Given a Banner
Scholars have said that seeing oneself being given a banner and marching with it indicates attaining authority and a good standing among people of power.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam
Note: These are traditional scholarly interpretations (ijtihad) drawn from a specific classical source — not a binding religious ruling, fortune-telling, or a prediction of the future.