Labels with a meaning. Skeptic will reserve judgement on a claim until sufficient evidence is produced. Your position of 5G and the insertion of the precautionary principle - fair enough.
Deniers of the other hand can never be convinced that they are wrong. Closed minded and unwilling to address any evidence that shows contrary positions. See climate change.
CTs have certain presuppositions of how the world operates and everything must be explained events with this framework from a view that everything bad that hapoens is a pre -planned event.