Learn how to say Dissident correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word dissident:
a person who opposes official policy, especially that of an authoritarian state:
a dissident who had been jailed by a military regime
in opposition to official policy:
the measure was supported by dissident Tories
mid 16th century (in the sense ‘differing in opinion or character’): from Latin dissident- ‘sitting apart, disagreeing’, from dis- ‘apart’ + sedere ‘sit’