Conversation so far:
When did Thabo Mbeki arrive in Lusaka?
Together with Oliver Tambo, Thabo Mbeki left London for Lusaka in April 1971
Why did Thabo Mbeki go to Lusaka?
Thabo Mbeki went to Lusaka to take up the position of assistant secretary of the ANC's Revolutionary Council
Did Thabo Mbeki enjoy his time in Lusaka?
This was the first time in nine years that Thabo Mbeki was setting foot on African soil.
What was Thabo Mbeki's mission in Lusaka?
The aim of the RC at this time was to bridge an ever-widening gap between the ANC in exile and the people back home.

Question: What did he do while there?
Self-contained rewrite: What did Thabo Mbeki do while in Lusaka?