Witness in a trial who testifies for the opposing pay or a witness who offers adverse testimony to the calling pay during direct examination is:

Hostile witness/ adverse witness ( 154 IEA )- A hostile witness is a witness in a trial who testifies for the opposing pay or a witness who offers adverse testimony to the calling pay during direct examination.- A witness called by the opposing pay is presumed hostile.- A witness called by the direct examiner can be declared hostile by a judge, at the request of the examiner, when the witness' testimony is openly antagonistic or clearly prejudiced to the opposing pay.- A pay examining a hostile witness may question the witness as if in cross-examination, thus permitting the use of leading questions.