Harbinger and Shake hands

Harbinger verb - To give a slight indication of beforehand.

Shake hands and harbinger are semantically related. In some cases you can use "Shake hands" instead a verb "Harbinger".

Shake hands verb - Take someone's hands and shake them as a gesture of greeting or congratulation.

Harbinger and shake hands are semantically related. Sometimes you can use "Harbinger" instead a verb phrase "Shake hands".