Noun
One who interpolates; esp., one who inserts foreign or spurious matter in genuine writings.
Source: Webster's dictionaryVermes also states that the detached depiction of the followers of Jesus is not the work of a Christian interpolator. Source: Internet
The Romans called mediators by a variety of names, including internuncius, medium, intercessor, philantropus, interpolator, conciliator, interlocutor, interpres, and finally mediator. Source: Internet