throwaway088

Suppose I, as an individual, offer to train my neighbor(21 yr old, university 3rd year bachelor's student) on latest technologies like JS, React etc and get him ready for a job. I plan to do this by making him work on a small pet project of mine. Frankly he has almost zero skills right now and is not really employable. Is it right of me not to pay him for his work? Is it unethical even if I dont plan to make money on the pet project ?

Not that this is an indivdual to individual interaction and no company is involved. The kid has to work atleast 20hours per week for 3 months, on the project.