Second, hundreds if not thousands of intellectuals and would-be dissidents have gone into hiding for fear of arrest.

ECONOMIST: As the turmoil persists, more Syrians are leaving or hiding

Many Tuareg are in hiding or keeping a low profile for fear of retribution from the public and military.

CNN: Mali's famed Timbuktu without water, other services

Some children are hiding their talents and skills in school for fear of being bullied, research has suggested.

BBC: Pupils hiding talents from bullies, survey suggests