The Ol Kalou by-election has reignited debate over public trust in the IEBC, with growing citizen-led efforts to "guard the vote".
The cause of Sharawe's death was not immediately disclosed.
The IEBC has been challenged to take disciplinary action against politicians who perpetrate violence to ensure peace in the 2027 General Election.
In every credible election, the most valuable asset an electoral commission possesses is not offices, technology, or budget. It is public confidence.
The IEBC's sanctions over alleged electoral offences in the Ol Kalou by-election face court challenges that could define the commission's enforcement powers ahead of the 2027 General Election.
IEBC has disowned masked and hooded men reported in Ol Kalou during the by-election, saying they were not part of official security teams as concerns grew over intimidation and violence.