Noun
One who treats of ideas; one who theorizes or idealizes; one versed in the science of ideas, or who advocates the doctrines of ideology.
Source: Webster's dictionaryIt is not for nothing that Skaldin in one part of his book quotes Adam Smith: we have seen that both his views and the character of his arguments in many respects repeat the theses of that great ideologist of the progressive bourgeoisie. Vladimir Lenin
We consider it a great crime to work against the Western and Christian style of life: it is not just the bomber but the ideologist who is the danger. Jorge Rafael Videla