piquete
picket
picket
a person or group of people standing outside a building to protest
+
-ete
diminutive suffix
Piquete means picket and can be thought of as picket0 + -ete1 (diminutive suffix1), suggesting a small or informal picket.
noun
  1. picket
    A small group of people, typically protesters or strikers, stationed outside a workplace or other venue
    Los trabajadores formaron un piquete frente a la fábrica. // The workers formed a picket in front of the factory.
  2. prick
    A small puncture or sting
    Sentí un piquete de mosquito en el brazo. // I felt a mosquito sting on my arm.