wrecker; destroyer; ruiner; vandal (person who wrecks property)

editor (newspaper editor) / editor (person who edits)

infected person; sufferer of an infection

slob, slouch (lazy, slovenly person)

smoker (person who smokes tobacco habitually)

an interpreter (someone who listens to speech in one language, and repeats that content in another language)

pedestrian

a performer, an actor

a performer, an actor

guardian; protector, a person legally responsible for a minor (in loco parentis) or an incompetent person.