They're called the 'Caddy'.
A caddie is a golfers attendant, who would advise and carry the golf clubs.
The golfer's caddy :)
A caddy is a person hired to assist another in playing the game of Golf.
is called a set of clubs
Because A Club Is Usually A Long Stick, And Its Used To Play Golf, So Its Called A Golf Club.
A golf caddy.
caddy, if you talking about the person who carries the bag during a round of golf