Derja translation of 'تجرّأ'

تجرّأ
(V)
to take a risk, be encouraged, be bold

I still didn't understand how the Tunisian people were bold and held a revolution against dictatorial rule like that of Ben Ali. مازلت مافهمتش كيفاش الشعب التونسي تجرأ و عمل ثورة ضد نظام قمعي كيما نظام بن علي