Syllable division and stress derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
witch-hunter is a noun meaning "someone who identifies and punishes people for their opinions". It carries one recorded sense.
someone who identifies and punishes people for their opinions
Definitions, synonyms and semantic relations for witch-hunter come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.