abuser

s. abusador; engañador, embaucador; seductor; que insulta o ultraja

abusador, maltratador

Ex: The article 'Are you a user or an abuser?' urges librarians and borrowers to use the library with restraint.

abusar de, engañar, ilusionar, encantar, seducir, encandilar; estuprar, violar, engañar, traicionar, entrampars'abuser
engañarse, equivocarse

(n.) = maltratador, infractor, violador, culpable, aprovechado
Ex: The article 'Are you a user or an abuser?' urges librarians and borrowers to use the library with restraint.