polypragmatist
/ˌpɒlɪˈpraɡmətɪst/rare
noun
A person who is busy or concerned with many affairs; (formerly) specifically a busybody.
Origin
Mid 17th century; earliest use found in Thomas Heywood (c1573–1641), playwright and poet. From Hellenistic Greek πολυπράγματος busy about many things, meddlesome, officious + -ist.