appellant (n.)
accuser [of treason], challenger, denouncer
2H6 II.iii.49 [York to King, of the combat between Horner and Peter] ready are the appellant and defendant ... to enter the lists
2H6 II.iii.57 [York to all, of Peter] I never saw a fellow worse bestead ... than is the appellant
R2 I.i.34 [Bolingbroke to King Richard] Come I appellant to this princely presence
R2 I.iii.4 [Lord Marshal to Aumerle] The Duke of Norfolk ... / Stays but the summons of the appellant's trumpet