Someone who dissembles.
One who pretends or lays claim to something; one who makes a profession, show, or assertion, esp. without adequate grounds, falsely, or with intent to deceive; a dissembler, deceiver, charlatan, hypocrite.
A claimant to a throne or the office of a ruler; orig. in a neutral sense, but now always applied to a claimant who is held to have no just title.
A person who professes beliefs and opinions that they do not hold.
One who puts forth a claim, or who aspires to or aims at something; a claimant, candidate, or aspirant; now, one who makes baseless pretensions.
A claimant to an abolished or already occupied throne.