May I present my new assistant (to you).
The shop assistant was not in the least afraid of the trouble.
I like the look of your new assistant she should do very well.
The Prime Minister came to visit our country in the company of his assistant.
He deputed the running of the department to an assistant.
Be the sale assistant position still open?
The teacher said that he would like to choose an assistant among us.
a person who contributes to the fulfillment of a need or furtherance of an effort or purpose
of or relating to a person who is subordinate to another