Crossword clue: one of two or more signers of the same document (as a treaty or declaration)
2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
one of two or more signers of the same document (as a treaty or declaration)
one of two or more signers of the same document (as a treaty or declaration)