Caddy these guys only really help professional golfers that are on the tour
If you are referring to the person that walks with the golfer, advises and carries the club bag, that person is called a caddy.
A golfer's assistant is called a caddy.
It is a shop assistant.
A golf caddie is the person who carries a player's bag, and gives insightful advice and moral support.
Someone who is good at gathering research is often called a researcher or a research analyst. They possess skills in data collection, analysis, and interpretation to draw meaningful insights from the information they gather.
A person who does things for others may be an assistant or a helper.
a caddy
we call it a diddle
On most passenger trains the Conductor or his assistant punches the tickets.
ASSISTANT
That person could be described as two-faced or duplicitous, meaning they are deceitful or insincere in their interactions with different people.
No, typically a physicians assistant does not have a doctorate.
A diener
If they call out another person's name that you aren't, also if the person is acting weirder then usual.