fellow (n.) 2
counterpart, match, equal
CE I.ii.37 [Antipholus of Syracuse alone, comparing himself to a drop of water] That in the ocean seeks another drop, / Who, falling there to find his fellow forth ... confounds himself
Cym III.iv.92 [Innogen as if to Posthumus] thou that didst ... make me put into contempt the suits / Of princely fellows [i.e. suitors equal in rank]
Tim I.i.81 [Poet to Painter, of Timon in his poem] All those which were his fellows but of late
TN III.iv.78 [Malvolio alone, of Olivia's address to him] Not 'Malvolio', nor after my degree, but 'fellow'!