Definition of "matchmaker"

matchmaker

noun
plural matchmakers
1. Someone who finds suitable dates or marriage partners for other people.
  Quotations
  As singles are stuck at home and social distancing makes traditional dating all but impossible, the coaching skills of matchmakers, now imparted online, are becoming more valuable.
  2020 May 9, Tammy La Gorce, “Singles Have to Think Outside the Screen”, in New York Times‎
2. (by extension) Someone who arranges professional boxing matches.
3. Someone who makes matchsticks.