perjurer

valapatto someone who has committed perjury by lie lying under oath
1607: Henry Ainsworth, The confession of faith of certayn English people living in exile, in the Low countreyes

Here are none exempted or excluded, be they never so prophane or wretched, no Atheist, adulterer, thief, or murderer, no lyer, perjurer, Witch or conjurer, &c· al are one fellowship, one body, one Church.

Come in, you false witness, you perjurer, you suborner of evidence, come in!