subversive
adjectiveIntending or intended to subvert an established order, especially to undermine or overthrow an established government.
nounOne who advocates or is regarded as advocating subversion.
Tending to subvert; having a tendency to overthrow and ruin: with of.
adjectiveTending to subvert; having a tendency to overthrow and ruin.
adjectiveIntending to
a
in opposition to a civil authority or government
nouna radical supporter of political or social revolution