i Register
In some senses, dialectician is marked as historical. Watch for register when choosing this word.
noun
Someone skilled in dialectics: someone able to arrive at logical conclusions through reasoned argument.
Someone skilled in dialectical idealism: someone able to arrive at historical conclusions through consideration of contradictions.
Someone skilled in dialectical materialism: someone able to arrive at socio-political conclusions through consideration of class differences.
noun
Someone knowledgeable about dialects.