A person who can do many different kinds of work.
A person who can do many kinds of work acceptably.
Alternative spelling of jack of all trades.
Jill of all trades.
Origin of jack-of-all-trades
1610s, from sense Jack (“man (generic term)”). Originally a term of praise (competent in many endeavors), today generally used disparagingly, with emphasis on (implied or stated) “master of none”, as in later longer form jack of all trades, master of none.