"Discreditor" is a word in ENGLISH

discreditor ENGLISH
Definition:

One who discredits.

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What I am proud of, what seems so simply clear, is that feminism is a way to fight for justice, always in short supply.

Barbara Strickland

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How many C++ programmers does it take to change a light bulb?"You're still thinking procedurally! A properly designed light bulb object would inherit a change method from a generic light bulb class!"

Discredit LAW AND LEGAL

To destroy or impair the credibility of a person; to Impeach; to lessen the degree of credit to be accorded …

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impeach ENGLISH

Hence, to charge with impropriety; to dishonor; to bring discredit on; to call in question; as, to impeach one's motives …

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Liberam Legem Amittere LAW AND LEGAL

To lose one’s free law, (called the. villainous judgment,) to become discredited or disabled as juror and witness, to forfeit …

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slander ENGLISH

To bring discredit or shame upon by one's acts.

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Vtllenous Judgment LAW AND LEGAL

A Judgment which deprived one of his libera lex, whereby he was discredited and disabled as a juror or witness; …

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