Jockeys

[Oralee]

a person whose job involves the use of a particular device, vehicle, object, etc., or who is very interested in a particular thing:

[Becky]

to attempt to get power or get into a better position than other people using any methods you can:

[Michiko]

Jockeys in Horse Racing. All jockeys must be licensed. They can operate independently or be retained by an owner.