Was Tibor Sekelj involved in any humanitarian or charity work?
No
Yes
He founded a charity organization
He was a UNICEF ambassador
Answer
No, Tibor Sekelj was not involved in any humanitarian or charity work. He was an explorer, writer, and translator, but he did not do any work that would be considered humanitarian or charitable.
Trekking Through Tibor Sekelj's Trail: A Quiz on the Life and Adventures of the Hungarian Author and Explorer