the.com/agitate
To stir a thing — or a crowd — until something gives.
means To shake, disturb, or stir up, whether liquid, emotion, or political restlessness.
from From Latin agitare, to set in motion, frequentative of agere, to drive — the same root that powers act and agent.
Laundry dutyThe washing machine part that sloshes clothes is literally the agitator.
Activist verb19th-century reformers proudly called themselves agitators.
Mind tooAgitated can describe water or a worried, restless brain.