How to Say "freeloader" in Spanish
The Spanish word for “freeloader” is “parásito” — B2 level.

Examples
No seas un parásito y busca un trabajo para ayudar con los gastos.
Don't be a freeloader and find a job to help with the expenses.
Él ha vivido como un parásito de su familia toda la vida.
He has lived like a parasite off his family his whole life.
La película trata sobre una familia que actúa como un parásito en una casa rica.
The movie is about a family that acts like a parasite in a wealthy house.
Insulting but usually masculine
Even when calling a woman a freeloader, people often say 'es un parásito' because they are referring to the concept of the organism, but 'parásita' is technically possible as an adjective.
Not just 'lazy'
Mistake: “Using 'parásito' for someone who just doesn't want to clean their room.”
Correction: Use 'perezoso' for lazy. Use 'parásito' only if they are taking resources (money, food) from someone else without giving back.
Related Translations
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