What Does “right-hand man or woman” mean?
Definition:
The right-hand man or right-hand woman refers to a close trustworthy assistant who helps and supports you in everything you do.
Origin of the idiom
Culturally, the right hand has always been considered superior. For example, in monotheist religions such as Islam, Christianity, and Judaism, the right hand is associated with good people and the left with the evil people. The Qur’an and the Bible contain a lot of positive references to the right side and the right hand, and negative references to the left.
In addition to that, the position on the right of the political leader or in social meetings has always been the position of privilege and of honor.
Example(s)
He is her right-hand man. She can’t do anything without his support.
You should find a person you can trust and rely on. You really need a right-hand man.
She was his right-hand woman. Shed was by his side and supported him in everything he did.