Plagiator

Intentional plagiators behave less naïve and try to hide their action by using other phrases or by using rare sources etc.

Source: wiktionary

Universal poets and artists are either plagiators or brutes.

Source: wiktionary

Moreover, it harms others’ careers when plagiators are recognized and cited instead of the original authors.

Source: wiktionary

Until approximately hundred years ago, researchers had to make do with these rumors peddled by the Church-Fathers and their plagiators – including even some texts in the Bible that have been arbitrarily redacted to a smaller or larger extent.

Source: wiktionary