**Sigh****
"c : a political philosophy based on belief in progress, the essential goodness of the human race, and the autonomy (see autonomy 2) of the individual and standing for the protection of political and civil liberties; specifically : such a philosophy that considers government as a crucial instrument for amelioration of social inequities (such as those involving race, gender, or class"
Let's look at your list....
1. Progressives:
From your link: "a political philosophy based on belief in progress,"
Check.
2. socialists,
"a political and economic theory of social organization that advocates that the means of production, distribution, and exchange should be owned or regulated by the community as a whole.
synonyms: leftism, welfarism; radicalism, progressivism, social democracy; communism, Marxism, labor movement"
Check.
3. radical leftist agitators:
if they are of the ilk you listed, absolutely.
4. communists:
See "socialists"....
" are They all liberals to you?"
Yup. That was ez.