declarer
1. [ noun ] someone who claims to speak the truth
Synonyms: asserter asseverator avower affirmer
Examples:

"a bold asserter" "a declarer of his intentions" "affirmers of traditional doctrine" "an asseverator of strong convictions" "an avower of his own great intelligence"

Related terms: communicator postulator declare affirm
2. [ noun ] (bridge,cards,games) the bridge player in contract bridge who wins the bidding and can declare which suit is to be trumps
Synonyms: contractor
Related terms: bridge_player declare
Similar spelling:   declare
  declared
  declarable
  declaratory
  declarative
  declaration