challenger (n.)
claimant
H5 II.iv.95[Exeter to French King, of King Henry's claim to the French throne] the native and true challenger
Ham IV.vii.28[Laertes to Claudius, of Ophelia] Whose worth ... / Stood challenger, on mount, of all the age / For her perfections
SHAKESPEARE'S WORDS © 2018 DAVID CRYSTAL & BEN CRYSTAL