propagator

One who propagates; one who continues by generation or successive production; one who causes something to extend or spread; a promoter; a diffuser: as, a propagator of heresies.

One who propagates; one who continues or multiplies.

A person who disseminates news or rumour

A person who propagates plants

A covered, sometimes heated container for germinating seeds or raising seedlings

A function that represents the quantum propagation of a subatomic particle

someone who propagates plants (as under glass)

someone who spreads the news