a learner of a trade who has agreed to work for a number of years for a small amount of money in return for being taught

novice, learner of a trade

a person who helps another (especially as a deputy or as a junior worker)

helper

a faithful supporter, especially one who obeys without question the orders of a leader

follower

a kind of wild animal like a dog

person who allows himself to be used

an army officer below a captain; junior officer in the Navy

assistant

a worker who, in order to win favour, obeys orders too readily

sycophant

an animal or plant living on or in another and getting its food from it; a person supported by another and giving nothing in return

something that exists by taking from or depending on another

a person who accepts an offer from a person selling something

something that exists by taking from or depending on another

a person in an unimportant position, compared to others

subordinate