The term "party opponent" refers to someone who is involved in a legal case or dispute with you. They are the other party or person against whom you are directly involved or in conflict with. Full definition
NY - 21 Democratic candidate Aaron Wolf called his Green Party opponent Matt Funiciello's views on the 9/11 attacks «outrageous and offensive,» saying they disqualify him for having anything to do with foreign affairs. (nystateofpolitics.com)
In a statement released by his campaign, Davis slammed both his major party opponents — Democrat Kathy Hochul and Republican Jane Corwin — calling them «professional politicians» who are «lying about me and my record» — not to mention their own respective records, «taking credit for work done by others.» (nystateofpolitics.com)
Kashkari, who managed to advance by a less than 5 point margin over Tea Party opponent Tim Donnelly in the June Primary, is described as a social moderate and fiscal conservative. (calnewsroom.com)