new leader...

...of followers ignoring perceivable NOW for suggested NEW.

No one knows what's his real name

Name/nombre/number implies designation of an unit, hence unit/unus - "one".

Therefore...one does know (perceive) unless one ignores reality for fictitious names suggested by another.

ahmed al-sharaa

Aka ahmed/ḥameda - "to thank, praise" + al (all) + sharaa/shar (revelation)...for all reveals each one within.