spreader
US /ˈspred.ɚ/
UK /ˈspred.ɚ/

1.
a device for spreading something
:
•
He used a butter spreader for his toast.
•
The farmer bought a new manure spreader for his fields.
2.
a person or thing that spreads something, especially news or disease
:
•
She was known as a gossip spreader in the office.
•
The virus is a fast spreader.