This is the 1893rd most frequent German word.
vorsitzender
Chairperson.
Here, 'vorsitzende' is used as a noun referring to the chairperson who presides over the assembly.
Der Vorsitzende der Versammlung eröffnete die Sitzung mit einer Rede.
The chairperson of the assembly opened the meeting with a speech.
In this sentence, 'vorsitzende' describes the role or position within an organization that a new individual is sought for.
Unsere Organisation sucht nach einem neuen Vorsitzenden, um unsere Mission voranzubringen.
Our organization is looking for a new chairperson to advance our mission.
The sentence uses 'vorsitzende' in its role description as indicating the person leading and responsible within a council.