The beleaguered general secretary's pack came off second best at a meeting of the divided federation.
South African Transport and Allied Workers' Union leader has been accused of an inappropriate relationship with an employee.
The federation has denied that its affairs are as bad as financial statements show and says unions are paying up.
Supporters of suspended Cosatu general secretary Zwelinzima Vavi's reinstatement have called for consistency in dealing with sexual indiscretion.
The Congress of South African Trade Unions is a political force that should fill the gap to the left of the ANC, writes Frank Meintjies.
Zwelinzima Vavi's foes in the trade federation say he has brought Cosatu into disrepute and must face the music.
A case of extortion has been opened against a woman who allegedly tried to blackmail Cosatu general secretary Zwelinzima Vavi over a rape claim.
Cosatu general secretary Zwelinzima Vavi has denied rape allegations made by a colleague but admitted to cheating on his wife.
The Cosatu leader has accused his attackers of abandoning the working class agenda to appease government.
Cosatu will be joined by 10 civil society bodies and some religious leaders in a series of protests against the e-tolling of Gauteng highways.
South Africa faces massive problems in its economy despite achieving democracy 19 years ago, Cosatu general secretary Zwelinzima Vavi says.
South African Transport and Allied Workers Union leader, Zenzo Mahlangu says a plan to 'eliminate' union bosses is aimed at toppling the alliance.
Over the past few months, the role of the political journalist has joined those of the cartoonist as being one of the most scrutinised.
Of late, I have read too many stories in the paper that do not work hard enough to persuade me as the reader that the central facts are established.
Cosatu is to appoint auditors to investigate Zwelinzima Vavi, showing the seriousness with which affiliates are treating the state of the federation.
It would be easy to dismiss Cosatu's public wrangling as a case of internal problems that the trade union federation must sort out internally.
Union membership is declining, but public servants are swelling the federation's ranks.
Prince Mashele, former CEO of Moeletsi Mbeki's think-tank, has accused the critic of delaying a Cosatu report to save one of his business deals.
Cosatu leaders have differed on whether their elevation to the ANC NEC represents a victory, or is fraught with more dangers than benefits.
Cosatu and Agri-SA have blamed one another for stalled talks aimed at ending the Western Cape farm workers' strike.