One forming a secret union?

• One running off to wed
• Runaway bride or groom
• Lover with a ladder, perhaps
• One not expecting a great reception?
• Runaway bride, say
• Impatient groom, e.g
• One who doesn't stand on ceremony?
• One headed for a hitching post?
• Jessica or Juliet

Wiktionary Word definitions in Wiktionary
n. agent noun of elope; one who elopes.